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Finding the Fourth Proportional to 5,906.77, 8,860.15 and 5,545.91

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Solution

The fourth proportional to 5,906.77, 8,860.15 and 5,545.91 is: 8,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.77 : 8,860.15 = 5,545.91 : x
  2. Step 2: Convert to fraction form
    5,906.77/8,860.15 = 5,545.91/x
  3. Step 3: Cross multiply
    5,906.77x = 8,860.15 × 5,545.91
  4. Step 4: Simplify right side
    5,906.77x = 49,137,602.77
  5. Step 5: Solve for x
    x = 49,137,602.77/5,906.77
  6. Step 6: Final answer
    x = 8,318.87

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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.