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Finding the Fourth Proportional to 55,427.80, 83,141.70 and 37,713.10

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Solution

The fourth proportional to 55,427.80, 83,141.70 and 37,713.10 is: 56,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.80 : 83,141.70 = 37,713.10 : x
  2. Step 2: Convert to fraction form
    55,427.80/83,141.70 = 37,713.10/x
  3. Step 3: Cross multiply
    55,427.80x = 83,141.70 × 37,713.10
  4. Step 4: Simplify right side
    55,427.80x = 3,135,531,246.27
  5. Step 5: Solve for x
    x = 3,135,531,246.27/55,427.80
  6. Step 6: Final answer
    x = 56,569.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 55,428.80, 83,143.20 and 37,714.10
Similar ratio
Find fourth proportional to 83,141.70, 124,712.55 and 56,569.65
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.