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Finding the Fourth Proportional to 8,863.79, 13,290.98 and 2,622.94

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Solution

The fourth proportional to 8,863.79, 13,290.98 and 2,622.94 is: 3,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.79 : 13,290.98 = 2,622.94 : x
  2. Step 2: Convert to fraction form
    8,863.79/13,290.98 = 2,622.94/x
  3. Step 3: Cross multiply
    8,863.79x = 13,290.98 × 2,622.94
  4. Step 4: Simplify right side
    8,863.79x = 34,861,456.42
  5. Step 5: Solve for x
    x = 34,861,456.42/8,863.79
  6. Step 6: Final answer
    x = 3,933.02

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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.