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Finding the Fourth Proportional to 44,761.73, 67,142.59 and 21,054.53

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Solution

The fourth proportional to 44,761.73, 67,142.59 and 21,054.53 is: 31,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,761.73 : 67,142.59 = 21,054.53 : x
  2. Step 2: Convert to fraction form
    44,761.73/67,142.59 = 21,054.53/x
  3. Step 3: Cross multiply
    44,761.73x = 67,142.59 × 21,054.53
  4. Step 4: Simplify right side
    44,761.73x = 1,413,655,790.65
  5. Step 5: Solve for x
    x = 1,413,655,790.65/44,761.73
  6. Step 6: Final answer
    x = 31,581.80

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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.