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Finding the Fourth Proportional to 52,517.76, 78,759.64 and 17,448

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Solution

The fourth proportional to 52,517.76, 78,759.64 and 17,448 is: 26,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517.76 : 78,759.64 = 17,448 : x
  2. Step 2: Convert to fraction form
    52,517.76/78,759.64 = 17,448/x
  3. Step 3: Cross multiply
    52,517.76x = 78,759.64 × 17,448
  4. Step 4: Simplify right side
    52,517.76x = 1,374,198,198.72
  5. Step 5: Solve for x
    x = 1,374,198,198.72/52,517.76
  6. Step 6: Final answer
    x = 26,166.35

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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.