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Finding the Fourth Proportional to 34,909.50, 52,363.47 and 8,614.47

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Solution

The fourth proportional to 34,909.50, 52,363.47 and 8,614.47 is: 12,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.50 : 52,363.47 = 8,614.47 : x
  2. Step 2: Convert to fraction form
    34,909.50/52,363.47 = 8,614.47/x
  3. Step 3: Cross multiply
    34,909.50x = 52,363.47 × 8,614.47
  4. Step 4: Simplify right side
    34,909.50x = 451,083,541.41
  5. Step 5: Solve for x
    x = 451,083,541.41/34,909.50
  6. Step 6: Final answer
    x = 12,921.51

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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.