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Finding the Fourth Proportional to 54,472.53, 81,679.63 and 23,290.77

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Solution

The fourth proportional to 54,472.53, 81,679.63 and 23,290.77 is: 34,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,472.53 : 81,679.63 = 23,290.77 : x
  2. Step 2: Convert to fraction form
    54,472.53/81,679.63 = 23,290.77/x
  3. Step 3: Cross multiply
    54,472.53x = 81,679.63 × 23,290.77
  4. Step 4: Simplify right side
    54,472.53x = 1,902,381,476.02
  5. Step 5: Solve for x
    x = 1,902,381,476.02/54,472.53
  6. Step 6: Final answer
    x = 34,923.68

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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.