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Finding the Fourth Proportional to 6,915.96, 9,543.72 and 3,932.04

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Solution

The fourth proportional to 6,915.96, 9,543.72 and 3,932.04 is: 5,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.96 : 9,543.72 = 3,932.04 : x
  2. Step 2: Convert to fraction form
    6,915.96/9,543.72 = 3,932.04/x
  3. Step 3: Cross multiply
    6,915.96x = 9,543.72 × 3,932.04
  4. Step 4: Simplify right side
    6,915.96x = 37,526,288.79
  5. Step 5: Solve for x
    x = 37,526,288.79/6,915.96
  6. Step 6: Final answer
    x = 5,426.04

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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.