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Finding the Fourth Proportional to 8,881.17, 12,255.65 and 4,902.23

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Solution

The fourth proportional to 8,881.17, 12,255.65 and 4,902.23 is: 6,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.17 : 12,255.65 = 4,902.23 : x
  2. Step 2: Convert to fraction form
    8,881.17/12,255.65 = 4,902.23/x
  3. Step 3: Cross multiply
    8,881.17x = 12,255.65 × 4,902.23
  4. Step 4: Simplify right side
    8,881.17x = 60,079,929.31
  5. Step 5: Solve for x
    x = 60,079,929.31/8,881.17
  6. Step 6: Final answer
    x = 6,764.87

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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.