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Finding the Fourth Proportional to 39,471.68, 59,207.52 and 11,769.68

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Solution

The fourth proportional to 39,471.68, 59,207.52 and 11,769.68 is: 17,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.68 : 59,207.52 = 11,769.68 : x
  2. Step 2: Convert to fraction form
    39,471.68/59,207.52 = 11,769.68/x
  3. Step 3: Cross multiply
    39,471.68x = 59,207.52 × 11,769.68
  4. Step 4: Simplify right side
    39,471.68x = 696,853,563.99
  5. Step 5: Solve for x
    x = 696,853,563.99/39,471.68
  6. Step 6: Final answer
    x = 17,654.52

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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.