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Finding the Fourth Proportional to 57,411.92, 86,157.24 and 22,351.76

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Solution

The fourth proportional to 57,411.92, 86,157.24 and 22,351.76 is: 33,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.92 : 86,157.24 = 22,351.76 : x
  2. Step 2: Convert to fraction form
    57,411.92/86,157.24 = 22,351.76/x
  3. Step 3: Cross multiply
    57,411.92x = 86,157.24 × 22,351.76
  4. Step 4: Simplify right side
    57,411.92x = 1,925,765,950.74
  5. Step 5: Solve for x
    x = 1,925,765,950.74/57,411.92
  6. Step 6: Final answer
    x = 33,542.96

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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.