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Finding the Fourth Proportional to 57,550.28, 86,332.71 and 15,997.28

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Solution

The fourth proportional to 57,550.28, 86,332.71 and 15,997.28 is: 23,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.28 : 86,332.71 = 15,997.28 : x
  2. Step 2: Convert to fraction form
    57,550.28/86,332.71 = 15,997.28/x
  3. Step 3: Cross multiply
    57,550.28x = 86,332.71 × 15,997.28
  4. Step 4: Simplify right side
    57,550.28x = 1,381,088,535.03
  5. Step 5: Solve for x
    x = 1,381,088,535.03/57,550.28
  6. Step 6: Final answer
    x = 23,997.95

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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.