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Finding the Fourth Proportional to 17,397.43, 26,096.29 and 4,917.17

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Solution

The fourth proportional to 17,397.43, 26,096.29 and 4,917.17 is: 7,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.43 : 26,096.29 = 4,917.17 : x
  2. Step 2: Convert to fraction form
    17,397.43/26,096.29 = 4,917.17/x
  3. Step 3: Cross multiply
    17,397.43x = 26,096.29 × 4,917.17
  4. Step 4: Simplify right side
    17,397.43x = 128,319,947.25
  5. Step 5: Solve for x
    x = 128,319,947.25/17,397.43
  6. Step 6: Final answer
    x = 7,375.80

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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.