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Finding the Fourth Proportional to 16,250.55, 24,375.48 and 5,156.99

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Solution

The fourth proportional to 16,250.55, 24,375.48 and 5,156.99 is: 7,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,250.55 : 24,375.48 = 5,156.99 : x
  2. Step 2: Convert to fraction form
    16,250.55/24,375.48 = 5,156.99/x
  3. Step 3: Cross multiply
    16,250.55x = 24,375.48 × 5,156.99
  4. Step 4: Simplify right side
    16,250.55x = 125,704,154.36
  5. Step 5: Solve for x
    x = 125,704,154.36/16,250.55
  6. Step 6: Final answer
    x = 7,735.38

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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.