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Finding the Fourth Proportional to 36,915.76, 55,367.76 and 10,614.52

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Solution

The fourth proportional to 36,915.76, 55,367.76 and 10,614.52 is: 15,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.76 : 55,367.76 = 10,614.52 : x
  2. Step 2: Convert to fraction form
    36,915.76/55,367.76 = 10,614.52/x
  3. Step 3: Cross multiply
    36,915.76x = 55,367.76 × 10,614.52
  4. Step 4: Simplify right side
    36,915.76x = 587,702,195.88
  5. Step 5: Solve for x
    x = 587,702,195.88/36,915.76
  6. Step 6: Final answer
    x = 15,920.09

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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.