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Finding the Fourth Proportional to 9,785.26, 14,679.65 and 4,591

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Solution

The fourth proportional to 9,785.26, 14,679.65 and 4,591 is: 6,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.26 : 14,679.65 = 4,591 : x
  2. Step 2: Convert to fraction form
    9,785.26/14,679.65 = 4,591/x
  3. Step 3: Cross multiply
    9,785.26x = 14,679.65 × 4,591
  4. Step 4: Simplify right side
    9,785.26x = 67,394,273.15
  5. Step 5: Solve for x
    x = 67,394,273.15/9,785.26
  6. Step 6: Final answer
    x = 6,887.33

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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.