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Finding the Fourth Proportional to 44,049.79, 66,074.76 and 10,769.87

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Solution

The fourth proportional to 44,049.79, 66,074.76 and 10,769.87 is: 16,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,049.79 : 66,074.76 = 10,769.87 : x
  2. Step 2: Convert to fraction form
    44,049.79/66,074.76 = 10,769.87/x
  3. Step 3: Cross multiply
    44,049.79x = 66,074.76 × 10,769.87
  4. Step 4: Simplify right side
    44,049.79x = 711,616,740.67
  5. Step 5: Solve for x
    x = 711,616,740.67/44,049.79
  6. Step 6: Final answer
    x = 16,154.83

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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.