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Finding the Fourth Proportional to 71,590.05, 98,843.69 and 44,744.62

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Solution

The fourth proportional to 71,590.05, 98,843.69 and 44,744.62 is: 61,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,590.05 : 98,843.69 = 44,744.62 : x
  2. Step 2: Convert to fraction form
    71,590.05/98,843.69 = 44,744.62/x
  3. Step 3: Cross multiply
    71,590.05x = 98,843.69 × 44,744.62
  4. Step 4: Simplify right side
    71,590.05x = 4,422,723,348.45
  5. Step 5: Solve for x
    x = 4,422,723,348.45/71,590.05
  6. Step 6: Final answer
    x = 61,778.46

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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.