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Finding the Fourth Proportional to 44,891.89, 67,315.79 and 25,655.40

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Solution

The fourth proportional to 44,891.89, 67,315.79 and 25,655.40 is: 38,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,891.89 : 67,315.79 = 25,655.40 : x
  2. Step 2: Convert to fraction form
    44,891.89/67,315.79 = 25,655.40/x
  3. Step 3: Cross multiply
    44,891.89x = 67,315.79 × 25,655.40
  4. Step 4: Simplify right side
    44,891.89x = 1,727,013,582.90
  5. Step 5: Solve for x
    x = 1,727,013,582.90/44,891.89
  6. Step 6: Final answer
    x = 38,470.51

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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.