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Finding the Fourth Proportional to 77,591.71, 107,076.68 and 44,057.71

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Solution

The fourth proportional to 77,591.71, 107,076.68 and 44,057.71 is: 60,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.71 : 107,076.68 = 44,057.71 : x
  2. Step 2: Convert to fraction form
    77,591.71/107,076.68 = 44,057.71/x
  3. Step 3: Cross multiply
    77,591.71x = 107,076.68 × 44,057.71
  4. Step 4: Simplify right side
    77,591.71x = 4,717,553,315.20
  5. Step 5: Solve for x
    x = 4,717,553,315.20/77,591.71
  6. Step 6: Final answer
    x = 60,799.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.