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Finding the Fourth Proportional to 43,844.28, 65,766.44 and 40,695

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Solution

The fourth proportional to 43,844.28, 65,766.44 and 40,695 is: 61,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844.28 : 65,766.44 = 40,695 : x
  2. Step 2: Convert to fraction form
    43,844.28/65,766.44 = 40,695/x
  3. Step 3: Cross multiply
    43,844.28x = 65,766.44 × 40,695
  4. Step 4: Simplify right side
    43,844.28x = 2,676,365,275.80
  5. Step 5: Solve for x
    x = 2,676,365,275.80/43,844.28
  6. Step 6: Final answer
    x = 61,042.52

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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.