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Finding the Fourth Proportional to 33,614.61, 50,410.15 and 9,915.87

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Solution

The fourth proportional to 33,614.61, 50,410.15 and 9,915.87 is: 14,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,614.61 : 50,410.15 = 9,915.87 : x
  2. Step 2: Convert to fraction form
    33,614.61/50,410.15 = 9,915.87/x
  3. Step 3: Cross multiply
    33,614.61x = 50,410.15 × 9,915.87
  4. Step 4: Simplify right side
    33,614.61x = 499,860,494.08
  5. Step 5: Solve for x
    x = 499,860,494.08/33,614.61
  6. Step 6: Final answer
    x = 14,870.33

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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.