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Finding the Fourth Proportional to 17,588.78, 26,387.12 and 5,901.70

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Solution

The fourth proportional to 17,588.78, 26,387.12 and 5,901.70 is: 8,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,588.78 : 26,387.12 = 5,901.70 : x
  2. Step 2: Convert to fraction form
    17,588.78/26,387.12 = 5,901.70/x
  3. Step 3: Cross multiply
    17,588.78x = 26,387.12 × 5,901.70
  4. Step 4: Simplify right side
    17,588.78x = 155,728,866.10
  5. Step 5: Solve for x
    x = 155,728,866.10/17,588.78
  6. Step 6: Final answer
    x = 8,853.88

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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.