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Finding the Fourth Proportional to 8,363.43, 12,545.83 and 4,201.30

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Solution

The fourth proportional to 8,363.43, 12,545.83 and 4,201.30 is: 6,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.43 : 12,545.83 = 4,201.30 : x
  2. Step 2: Convert to fraction form
    8,363.43/12,545.83 = 4,201.30/x
  3. Step 3: Cross multiply
    8,363.43x = 12,545.83 × 4,201.30
  4. Step 4: Simplify right side
    8,363.43x = 52,708,795.58
  5. Step 5: Solve for x
    x = 52,708,795.58/8,363.43
  6. Step 6: Final answer
    x = 6,302.29

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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.