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Finding the Fourth Proportional to 8,467.95, 12,689.17 and 7,545.16

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Solution

The fourth proportional to 8,467.95, 12,689.17 and 7,545.16 is: 11,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.95 : 12,689.17 = 7,545.16 : x
  2. Step 2: Convert to fraction form
    8,467.95/12,689.17 = 7,545.16/x
  3. Step 3: Cross multiply
    8,467.95x = 12,689.17 × 7,545.16
  4. Step 4: Simplify right side
    8,467.95x = 95,741,817.92
  5. Step 5: Solve for x
    x = 95,741,817.92/8,467.95
  6. Step 6: Final answer
    x = 11,306.37

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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.