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Finding the Fourth Proportional to 60,511.31, 90,704.42 and 23,061.33

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Solution

The fourth proportional to 60,511.31, 90,704.42 and 23,061.33 is: 34,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,511.31 : 90,704.42 = 23,061.33 : x
  2. Step 2: Convert to fraction form
    60,511.31/90,704.42 = 23,061.33/x
  3. Step 3: Cross multiply
    60,511.31x = 90,704.42 × 23,061.33
  4. Step 4: Simplify right side
    60,511.31x = 2,091,764,619.73
  5. Step 5: Solve for x
    x = 2,091,764,619.73/60,511.31
  6. Step 6: Final answer
    x = 34,568.16

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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.