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Finding the Fourth Proportional to 17,397.88, 26,062.25 and 8,605.96

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Solution

The fourth proportional to 17,397.88, 26,062.25 and 8,605.96 is: 12,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.88 : 26,062.25 = 8,605.96 : x
  2. Step 2: Convert to fraction form
    17,397.88/26,062.25 = 8,605.96/x
  3. Step 3: Cross multiply
    17,397.88x = 26,062.25 × 8,605.96
  4. Step 4: Simplify right side
    17,397.88x = 224,290,681.01
  5. Step 5: Solve for x
    x = 224,290,681.01/17,397.88
  6. Step 6: Final answer
    x = 12,891.84

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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.