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Finding the Fourth Proportional to 6,747.88, 9,314.18 and 5,487.92

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Solution

The fourth proportional to 6,747.88, 9,314.18 and 5,487.92 is: 7,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.88 : 9,314.18 = 5,487.92 : x
  2. Step 2: Convert to fraction form
    6,747.88/9,314.18 = 5,487.92/x
  3. Step 3: Cross multiply
    6,747.88x = 9,314.18 × 5,487.92
  4. Step 4: Simplify right side
    6,747.88x = 51,115,474.71
  5. Step 5: Solve for x
    x = 51,115,474.71/6,747.88
  6. Step 6: Final answer
    x = 7,575.04

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1.5x scale

Why These Related Problems?

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