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Finding the Fourth Proportional to 64,414.18, 88,891.58 and 36,119.88

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Solution

The fourth proportional to 64,414.18, 88,891.58 and 36,119.88 is: 49,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,414.18 : 88,891.58 = 36,119.88 : x
  2. Step 2: Convert to fraction form
    64,414.18/88,891.58 = 36,119.88/x
  3. Step 3: Cross multiply
    64,414.18x = 88,891.58 × 36,119.88
  4. Step 4: Simplify right side
    64,414.18x = 3,210,753,202.61
  5. Step 5: Solve for x
    x = 3,210,753,202.61/64,414.18
  6. Step 6: Final answer
    x = 49,845.44

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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.