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Finding the Fourth Proportional to 80,287.34, 110,796.45 and 44,479.58

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Solution

The fourth proportional to 80,287.34, 110,796.45 and 44,479.58 is: 61,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287.34 : 110,796.45 = 44,479.58 : x
  2. Step 2: Convert to fraction form
    80,287.34/110,796.45 = 44,479.58/x
  3. Step 3: Cross multiply
    80,287.34x = 110,796.45 × 44,479.58
  4. Step 4: Simplify right side
    80,287.34x = 4,928,179,561.49
  5. Step 5: Solve for x
    x = 4,928,179,561.49/80,287.34
  6. Step 6: Final answer
    x = 61,381.78

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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.