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Finding the Fourth Proportional to 51,766.29, 71,449.29 and 36,643.19

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Solution

The fourth proportional to 51,766.29, 71,449.29 and 36,643.19 is: 50,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,766.29 : 71,449.29 = 36,643.19 : x
  2. Step 2: Convert to fraction form
    51,766.29/71,449.29 = 36,643.19/x
  3. Step 3: Cross multiply
    51,766.29x = 71,449.29 × 36,643.19
  4. Step 4: Simplify right side
    51,766.29x = 2,618,129,551.59
  5. Step 5: Solve for x
    x = 2,618,129,551.59/51,766.29
  6. Step 6: Final answer
    x = 50,575.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.