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Finding the Fourth Proportional to 77,996.56, 107,635.14 and 44,005

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Solution

The fourth proportional to 77,996.56, 107,635.14 and 44,005 is: 60,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.56 : 107,635.14 = 44,005 : x
  2. Step 2: Convert to fraction form
    77,996.56/107,635.14 = 44,005/x
  3. Step 3: Cross multiply
    77,996.56x = 107,635.14 × 44,005
  4. Step 4: Simplify right side
    77,996.56x = 4,736,484,335.70
  5. Step 5: Solve for x
    x = 4,736,484,335.70/77,996.56
  6. Step 6: Final answer
    x = 60,726.84

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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.