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Finding the Fourth Proportional to 8,363.70, 12,545.55 and 3,743.46

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Solution

The fourth proportional to 8,363.70, 12,545.55 and 3,743.46 is: 5,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.70 : 12,545.55 = 3,743.46 : x
  2. Step 2: Convert to fraction form
    8,363.70/12,545.55 = 3,743.46/x
  3. Step 3: Cross multiply
    8,363.70x = 12,545.55 × 3,743.46
  4. Step 4: Simplify right side
    8,363.70x = 46,963,764.60
  5. Step 5: Solve for x
    x = 46,963,764.60/8,363.70
  6. Step 6: Final answer
    x = 5,615.19

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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.