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Finding the Fourth Proportional to 34,420.50, 47,501.01 and 19,314.25

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Solution

The fourth proportional to 34,420.50, 47,501.01 and 19,314.25 is: 26,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.50 : 47,501.01 = 19,314.25 : x
  2. Step 2: Convert to fraction form
    34,420.50/47,501.01 = 19,314.25/x
  3. Step 3: Cross multiply
    34,420.50x = 47,501.01 × 19,314.25
  4. Step 4: Simplify right side
    34,420.50x = 917,446,382.39
  5. Step 5: Solve for x
    x = 917,446,382.39/34,420.50
  6. Step 6: Final answer
    x = 26,654.07

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Half scale
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Double scale
Find fourth proportional to 34,421.50, 47,502.39 and 19,315.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.