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Finding the Fourth Proportional to 74,691.98, 112,062.66 and 27,321.56

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Solution

The fourth proportional to 74,691.98, 112,062.66 and 27,321.56 is: 40,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.98 : 112,062.66 = 27,321.56 : x
  2. Step 2: Convert to fraction form
    74,691.98/112,062.66 = 27,321.56/x
  3. Step 3: Cross multiply
    74,691.98x = 112,062.66 × 27,321.56
  4. Step 4: Simplify right side
    74,691.98x = 3,061,726,688.95
  5. Step 5: Solve for x
    x = 3,061,726,688.95/74,691.98
  6. Step 6: Final answer
    x = 40,991.37

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1.5x scale

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.