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Finding the Fourth Proportional to 16,697.28, 25,024.32 and 7,934.88

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Solution

The fourth proportional to 16,697.28, 25,024.32 and 7,934.88 is: 11,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.28 : 25,024.32 = 7,934.88 : x
  2. Step 2: Convert to fraction form
    16,697.28/25,024.32 = 7,934.88/x
  3. Step 3: Cross multiply
    16,697.28x = 25,024.32 × 7,934.88
  4. Step 4: Simplify right side
    16,697.28x = 198,564,976.28
  5. Step 5: Solve for x
    x = 198,564,976.28/16,697.28
  6. Step 6: Final answer
    x = 11,892.06

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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.