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Finding the Fourth Proportional to 8,363.49, 12,545.24 and 2,123.97

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Solution

The fourth proportional to 8,363.49, 12,545.24 and 2,123.97 is: 3,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.49 : 12,545.24 = 2,123.97 : x
  2. Step 2: Convert to fraction form
    8,363.49/12,545.24 = 2,123.97/x
  3. Step 3: Cross multiply
    8,363.49x = 12,545.24 × 2,123.97
  4. Step 4: Simplify right side
    8,363.49x = 26,645,655.74
  5. Step 5: Solve for x
    x = 26,645,655.74/8,363.49
  6. Step 6: Final answer
    x = 3,185.95

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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.