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Finding the Fourth Proportional to 57,799.92, 86,699.47 and 29,727.80

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Solution

The fourth proportional to 57,799.92, 86,699.47 and 29,727.80 is: 44,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.92 : 86,699.47 = 29,727.80 : x
  2. Step 2: Convert to fraction form
    57,799.92/86,699.47 = 29,727.80/x
  3. Step 3: Cross multiply
    57,799.92x = 86,699.47 × 29,727.80
  4. Step 4: Simplify right side
    57,799.92x = 2,577,384,504.27
  5. Step 5: Solve for x
    x = 2,577,384,504.27/57,799.92
  6. Step 6: Final answer
    x = 44,591.49

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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.