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Finding the Fourth Proportional to 9,151.62, 13,713.07 and 5,451.83

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Solution

The fourth proportional to 9,151.62, 13,713.07 and 5,451.83 is: 8,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.62 : 13,713.07 = 5,451.83 : x
  2. Step 2: Convert to fraction form
    9,151.62/13,713.07 = 5,451.83/x
  3. Step 3: Cross multiply
    9,151.62x = 13,713.07 × 5,451.83
  4. Step 4: Simplify right side
    9,151.62x = 74,761,230.59
  5. Step 5: Solve for x
    x = 74,761,230.59/9,151.62
  6. Step 6: Final answer
    x = 8,169.18

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1.5x scale

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.