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Finding the Fourth Proportional to 14,363.47, 21,545.05 and 5,604.53

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Solution

The fourth proportional to 14,363.47, 21,545.05 and 5,604.53 is: 8,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.47 : 21,545.05 = 5,604.53 : x
  2. Step 2: Convert to fraction form
    14,363.47/21,545.05 = 5,604.53/x
  3. Step 3: Cross multiply
    14,363.47x = 21,545.05 × 5,604.53
  4. Step 4: Simplify right side
    14,363.47x = 120,749,879.08
  5. Step 5: Solve for x
    x = 120,749,879.08/14,363.47
  6. Step 6: Final answer
    x = 8,406.73

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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.