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Finding the Fourth Proportional to 67,514.72, 93,167.46 and 38,832.21

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Solution

The fourth proportional to 67,514.72, 93,167.46 and 38,832.21 is: 53,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.72 : 93,167.46 = 38,832.21 : x
  2. Step 2: Convert to fraction form
    67,514.72/93,167.46 = 38,832.21/x
  3. Step 3: Cross multiply
    67,514.72x = 93,167.46 × 38,832.21
  4. Step 4: Simplify right side
    67,514.72x = 3,617,898,371.89
  5. Step 5: Solve for x
    x = 3,617,898,371.89/67,514.72
  6. Step 6: Final answer
    x = 53,586.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.