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Finding the Fourth Proportional to 8,545.50, 12,807.72 and 6,066.90

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Solution

The fourth proportional to 8,545.50, 12,807.72 and 6,066.90 is: 9,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.50 : 12,807.72 = 6,066.90 : x
  2. Step 2: Convert to fraction form
    8,545.50/12,807.72 = 6,066.90/x
  3. Step 3: Cross multiply
    8,545.50x = 12,807.72 × 6,066.90
  4. Step 4: Simplify right side
    8,545.50x = 77,703,156.47
  5. Step 5: Solve for x
    x = 77,703,156.47/8,545.50
  6. Step 6: Final answer
    x = 9,092.87

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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.