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Finding the Fourth Proportional to 8,842.13, 13,263.40 and 2,917.12

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Solution

The fourth proportional to 8,842.13, 13,263.40 and 2,917.12 is: 4,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.13 : 13,263.40 = 2,917.12 : x
  2. Step 2: Convert to fraction form
    8,842.13/13,263.40 = 2,917.12/x
  3. Step 3: Cross multiply
    8,842.13x = 13,263.40 × 2,917.12
  4. Step 4: Simplify right side
    8,842.13x = 38,690,863.09
  5. Step 5: Solve for x
    x = 38,690,863.09/8,842.13
  6. Step 6: Final answer
    x = 4,375.74

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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.