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Finding the Fourth Proportional to 17,488.36, 26,218 and 6,951.88

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Solution

The fourth proportional to 17,488.36, 26,218 and 6,951.88 is: 10,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.36 : 26,218 = 6,951.88 : x
  2. Step 2: Convert to fraction form
    17,488.36/26,218 = 6,951.88/x
  3. Step 3: Cross multiply
    17,488.36x = 26,218 × 6,951.88
  4. Step 4: Simplify right side
    17,488.36x = 182,264,389.84
  5. Step 5: Solve for x
    x = 182,264,389.84/17,488.36
  6. Step 6: Final answer
    x = 10,422.04

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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.