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Finding the Fourth Proportional to 57,474.16, 86,124.84 and 32,487.28

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Solution

The fourth proportional to 57,474.16, 86,124.84 and 32,487.28 is: 48,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.16 : 86,124.84 = 32,487.28 : x
  2. Step 2: Convert to fraction form
    57,474.16/86,124.84 = 32,487.28/x
  3. Step 3: Cross multiply
    57,474.16x = 86,124.84 × 32,487.28
  4. Step 4: Simplify right side
    57,474.16x = 2,797,961,792.04
  5. Step 5: Solve for x
    x = 2,797,961,792.04/57,474.16
  6. Step 6: Final answer
    x = 48,682.08

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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.