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Finding the Fourth Proportional to 57,447.83, 86,252.48 and 29,388.02

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Solution

The fourth proportional to 57,447.83, 86,252.48 and 29,388.02 is: 44,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.83 : 86,252.48 = 29,388.02 : x
  2. Step 2: Convert to fraction form
    57,447.83/86,252.48 = 29,388.02/x
  3. Step 3: Cross multiply
    57,447.83x = 86,252.48 × 29,388.02
  4. Step 4: Simplify right side
    57,447.83x = 2,534,789,139.29
  5. Step 5: Solve for x
    x = 2,534,789,139.29/57,447.83
  6. Step 6: Final answer
    x = 44,123.32

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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.