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Finding the Fourth Proportional to 80,441.88, 111,008.94 and 44,631

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Solution

The fourth proportional to 80,441.88, 111,008.94 and 44,631 is: 61,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.88 : 111,008.94 = 44,631 : x
  2. Step 2: Convert to fraction form
    80,441.88/111,008.94 = 44,631/x
  3. Step 3: Cross multiply
    80,441.88x = 111,008.94 × 44,631
  4. Step 4: Simplify right side
    80,441.88x = 4,954,440,001.14
  5. Step 5: Solve for x
    x = 4,954,440,001.14/80,441.88
  6. Step 6: Final answer
    x = 61,590.31

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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.