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Finding the Fourth Proportional to 57,668.52, 86,502.84 and 16,115.52

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Solution

The fourth proportional to 57,668.52, 86,502.84 and 16,115.52 is: 24,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.52 : 86,502.84 = 16,115.52 : x
  2. Step 2: Convert to fraction form
    57,668.52/86,502.84 = 16,115.52/x
  3. Step 3: Cross multiply
    57,668.52x = 86,502.84 × 16,115.52
  4. Step 4: Simplify right side
    57,668.52x = 1,394,038,248.08
  5. Step 5: Solve for x
    x = 1,394,038,248.08/57,668.52
  6. Step 6: Final answer
    x = 24,173.30

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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.