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Finding the Fourth Proportional to 51,574.97, 77,369.67 and 48,738.70

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Solution

The fourth proportional to 51,574.97, 77,369.67 and 48,738.70 is: 73,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.97 : 77,369.67 = 48,738.70 : x
  2. Step 2: Convert to fraction form
    51,574.97/77,369.67 = 48,738.70/x
  3. Step 3: Cross multiply
    51,574.97x = 77,369.67 × 48,738.70
  4. Step 4: Simplify right side
    51,574.97x = 3,770,897,691.68
  5. Step 5: Solve for x
    x = 3,770,897,691.68/51,574.97
  6. Step 6: Final answer
    x = 73,114.88

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1.5x scale

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.