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Finding the Fourth Proportional to 57,502.81, 86,248.54 and 18,058.87

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Solution

The fourth proportional to 57,502.81, 86,248.54 and 18,058.87 is: 27,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,502.81 : 86,248.54 = 18,058.87 : x
  2. Step 2: Convert to fraction form
    57,502.81/86,248.54 = 18,058.87/x
  3. Step 3: Cross multiply
    57,502.81x = 86,248.54 × 18,058.87
  4. Step 4: Simplify right side
    57,502.81x = 1,557,551,171.55
  5. Step 5: Solve for x
    x = 1,557,551,171.55/57,502.81
  6. Step 6: Final answer
    x = 27,086.52

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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.