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Finding the Fourth Proportional to 80,381.70, 110,926.56 and 44,570.79

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Solution

The fourth proportional to 80,381.70, 110,926.56 and 44,570.79 is: 61,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,381.70 : 110,926.56 = 44,570.79 : x
  2. Step 2: Convert to fraction form
    80,381.70/110,926.56 = 44,570.79/x
  3. Step 3: Cross multiply
    80,381.70x = 110,926.56 × 44,570.79
  4. Step 4: Simplify right side
    80,381.70x = 4,944,084,578.32
  5. Step 5: Solve for x
    x = 4,944,084,578.32/80,381.70
  6. Step 6: Final answer
    x = 61,507.59

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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.