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Finding the Fourth Proportional to 17,046.40, 25,419.04 and 14,974.88

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Solution

The fourth proportional to 17,046.40, 25,419.04 and 14,974.88 is: 22,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,046.40 : 25,419.04 = 14,974.88 : x
  2. Step 2: Convert to fraction form
    17,046.40/25,419.04 = 14,974.88/x
  3. Step 3: Cross multiply
    17,046.40x = 25,419.04 × 14,974.88
  4. Step 4: Simplify right side
    17,046.40x = 380,647,073.72
  5. Step 5: Solve for x
    x = 380,647,073.72/17,046.40
  6. Step 6: Final answer
    x = 22,330.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.