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Finding the Fourth Proportional to 45,773.70, 68,579.79 and 40,087.92

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Solution

The fourth proportional to 45,773.70, 68,579.79 and 40,087.92 is: 60,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,773.70 : 68,579.79 = 40,087.92 : x
  2. Step 2: Convert to fraction form
    45,773.70/68,579.79 = 40,087.92/x
  3. Step 3: Cross multiply
    45,773.70x = 68,579.79 × 40,087.92
  4. Step 4: Simplify right side
    45,773.70x = 2,749,221,135.14
  5. Step 5: Solve for x
    x = 2,749,221,135.14/45,773.70
  6. Step 6: Final answer
    x = 60,061.15

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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.