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Finding the Fourth Proportional to 57,372.16, 86,056.08 and 15,818.08

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Solution

The fourth proportional to 57,372.16, 86,056.08 and 15,818.08 is: 23,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.16 : 86,056.08 = 15,818.08 : x
  2. Step 2: Convert to fraction form
    57,372.16/86,056.08 = 15,818.08/x
  3. Step 3: Cross multiply
    57,372.16x = 86,056.08 × 15,818.08
  4. Step 4: Simplify right side
    57,372.16x = 1,361,241,957.93
  5. Step 5: Solve for x
    x = 1,361,241,957.93/57,372.16
  6. Step 6: Final answer
    x = 23,726.52

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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.