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Finding the Fourth Proportional to 63,980.58, 88,275.48 and 41,320.53

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Solution

The fourth proportional to 63,980.58, 88,275.48 and 41,320.53 is: 57,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.58 : 88,275.48 = 41,320.53 : x
  2. Step 2: Convert to fraction form
    63,980.58/88,275.48 = 41,320.53/x
  3. Step 3: Cross multiply
    63,980.58x = 88,275.48 × 41,320.53
  4. Step 4: Simplify right side
    63,980.58x = 3,647,589,295.61
  5. Step 5: Solve for x
    x = 3,647,589,295.61/63,980.58
  6. Step 6: Final answer
    x = 57,010.88

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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.