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Finding the Fourth Proportional to 8,881.66, 13,325.15 and 2,641.89

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Solution

The fourth proportional to 8,881.66, 13,325.15 and 2,641.89 is: 3,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.66 : 13,325.15 = 2,641.89 : x
  2. Step 2: Convert to fraction form
    8,881.66/13,325.15 = 2,641.89/x
  3. Step 3: Cross multiply
    8,881.66x = 13,325.15 × 2,641.89
  4. Step 4: Simplify right side
    8,881.66x = 35,203,500.70
  5. Step 5: Solve for x
    x = 35,203,500.70/8,881.66
  6. Step 6: Final answer
    x = 3,963.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.