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Finding the Fourth Proportional to 41,266.80, 61,921.31 and 19,652.73

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Solution

The fourth proportional to 41,266.80, 61,921.31 and 19,652.73 is: 29,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,266.80 : 61,921.31 = 19,652.73 : x
  2. Step 2: Convert to fraction form
    41,266.80/61,921.31 = 19,652.73/x
  3. Step 3: Cross multiply
    41,266.80x = 61,921.31 × 19,652.73
  4. Step 4: Simplify right side
    41,266.80x = 1,216,922,378.81
  5. Step 5: Solve for x
    x = 1,216,922,378.81/41,266.80
  6. Step 6: Final answer
    x = 29,489.14

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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.