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Finding the Fourth Proportional to 16,250.22, 24,359.46 and 7,929.90

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Solution

The fourth proportional to 16,250.22, 24,359.46 and 7,929.90 is: 11,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,250.22 : 24,359.46 = 7,929.90 : x
  2. Step 2: Convert to fraction form
    16,250.22/24,359.46 = 7,929.90/x
  3. Step 3: Cross multiply
    16,250.22x = 24,359.46 × 7,929.90
  4. Step 4: Simplify right side
    16,250.22x = 193,168,081.85
  5. Step 5: Solve for x
    x = 193,168,081.85/16,250.22
  6. Step 6: Final answer
    x = 11,887.11

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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.