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Finding the Fourth Proportional to 9,976.41, 13,767.91 and 5,500.22

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Solution

The fourth proportional to 9,976.41, 13,767.91 and 5,500.22 is: 7,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.41 : 13,767.91 = 5,500.22 : x
  2. Step 2: Convert to fraction form
    9,976.41/13,767.91 = 5,500.22/x
  3. Step 3: Cross multiply
    9,976.41x = 13,767.91 × 5,500.22
  4. Step 4: Simplify right side
    9,976.41x = 75,726,451.35
  5. Step 5: Solve for x
    x = 75,726,451.35/9,976.41
  6. Step 6: Final answer
    x = 7,590.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.