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Finding the Fourth Proportional to 8,796, 13,189.16 and 3,863.12

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Solution

The fourth proportional to 8,796, 13,189.16 and 3,863.12 is: 5,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796 : 13,189.16 = 3,863.12 : x
  2. Step 2: Convert to fraction form
    8,796/13,189.16 = 3,863.12/x
  3. Step 3: Cross multiply
    8,796x = 13,189.16 × 3,863.12
  4. Step 4: Simplify right side
    8,796x = 50,951,307.78
  5. Step 5: Solve for x
    x = 50,951,307.78/8,796
  6. Step 6: Final answer
    x = 5,792.55

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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.