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Finding the Fourth Proportional to 80,424.58, 110,986.59 and 44,616.91

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Solution

The fourth proportional to 80,424.58, 110,986.59 and 44,616.91 is: 61,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424.58 : 110,986.59 = 44,616.91 : x
  2. Step 2: Convert to fraction form
    80,424.58/110,986.59 = 44,616.91/x
  3. Step 3: Cross multiply
    80,424.58x = 110,986.59 × 44,616.91
  4. Step 4: Simplify right side
    80,424.58x = 4,951,878,697.24
  5. Step 5: Solve for x
    x = 4,951,878,697.24/80,424.58
  6. Step 6: Final answer
    x = 61,571.71

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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.