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Finding the Fourth Proportional to 80,431.65, 110,995.73 and 44,621.70

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Solution

The fourth proportional to 80,431.65, 110,995.73 and 44,621.70 is: 61,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.65 : 110,995.73 = 44,621.70 : x
  2. Step 2: Convert to fraction form
    80,431.65/110,995.73 = 44,621.70/x
  3. Step 3: Cross multiply
    80,431.65x = 110,995.73 × 44,621.70
  4. Step 4: Simplify right side
    80,431.65x = 4,952,817,693.33
  5. Step 5: Solve for x
    x = 4,952,817,693.33/80,431.65
  6. Step 6: Final answer
    x = 61,577.97

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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.