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Finding the Fourth Proportional to 55,295.60, 82,943.40 and 37,799.60

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Solution

The fourth proportional to 55,295.60, 82,943.40 and 37,799.60 is: 56,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.60 : 82,943.40 = 37,799.60 : x
  2. Step 2: Convert to fraction form
    55,295.60/82,943.40 = 37,799.60/x
  3. Step 3: Cross multiply
    55,295.60x = 82,943.40 × 37,799.60
  4. Step 4: Simplify right side
    55,295.60x = 3,135,227,342.64
  5. Step 5: Solve for x
    x = 3,135,227,342.64/55,295.60
  6. Step 6: Final answer
    x = 56,699.40

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Double scale
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Similar ratio
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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.