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Finding the Fourth Proportional to 8,868.78, 13,302.18 and 2,294.46

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Solution

The fourth proportional to 8,868.78, 13,302.18 and 2,294.46 is: 3,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.78 : 13,302.18 = 2,294.46 : x
  2. Step 2: Convert to fraction form
    8,868.78/13,302.18 = 2,294.46/x
  3. Step 3: Cross multiply
    8,868.78x = 13,302.18 × 2,294.46
  4. Step 4: Simplify right side
    8,868.78x = 30,521,319.92
  5. Step 5: Solve for x
    x = 30,521,319.92/8,868.78
  6. Step 6: Final answer
    x = 3,441.43

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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.