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Finding the Fourth Proportional to 69,085.86, 95,337.46 and 38,871.22

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Solution

The fourth proportional to 69,085.86, 95,337.46 and 38,871.22 is: 53,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,085.86 : 95,337.46 = 38,871.22 : x
  2. Step 2: Convert to fraction form
    69,085.86/95,337.46 = 38,871.22/x
  3. Step 3: Cross multiply
    69,085.86x = 95,337.46 × 38,871.22
  4. Step 4: Simplify right side
    69,085.86x = 3,705,883,381.90
  5. Step 5: Solve for x
    x = 3,705,883,381.90/69,085.86
  6. Step 6: Final answer
    x = 53,641.71

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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.