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Finding the Fourth Proportional to 17,854.59, 26,785.64 and 5,375.52

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Solution

The fourth proportional to 17,854.59, 26,785.64 and 5,375.52 is: 8,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.59 : 26,785.64 = 5,375.52 : x
  2. Step 2: Convert to fraction form
    17,854.59/26,785.64 = 5,375.52/x
  3. Step 3: Cross multiply
    17,854.59x = 26,785.64 × 5,375.52
  4. Step 4: Simplify right side
    17,854.59x = 143,986,716.66
  5. Step 5: Solve for x
    x = 143,986,716.66/17,854.59
  6. Step 6: Final answer
    x = 8,064.41

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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.