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Finding the Fourth Proportional to 8,362.97, 12,545.13 and 4,200.83

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Solution

The fourth proportional to 8,362.97, 12,545.13 and 4,200.83 is: 6,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.97 : 12,545.13 = 4,200.83 : x
  2. Step 2: Convert to fraction form
    8,362.97/12,545.13 = 4,200.83/x
  3. Step 3: Cross multiply
    8,362.97x = 12,545.13 × 4,200.83
  4. Step 4: Simplify right side
    8,362.97x = 52,699,895.73
  5. Step 5: Solve for x
    x = 52,699,895.73/8,362.97
  6. Step 6: Final answer
    x = 6,301.58

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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.