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Finding the Fourth Proportional to 71,493.66, 98,620.26 and 44,589.45

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Solution

The fourth proportional to 71,493.66, 98,620.26 and 44,589.45 is: 61,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,493.66 : 98,620.26 = 44,589.45 : x
  2. Step 2: Convert to fraction form
    71,493.66/98,620.26 = 44,589.45/x
  3. Step 3: Cross multiply
    71,493.66x = 98,620.26 × 44,589.45
  4. Step 4: Simplify right side
    71,493.66x = 4,397,423,152.26
  5. Step 5: Solve for x
    x = 4,397,423,152.26/71,493.66
  6. Step 6: Final answer
    x = 61,507.88

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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.