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Finding the Fourth Proportional to 8,894.80, 13,344.36 and 2,654.76

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Solution

The fourth proportional to 8,894.80, 13,344.36 and 2,654.76 is: 3,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.80 : 13,344.36 = 2,654.76 : x
  2. Step 2: Convert to fraction form
    8,894.80/13,344.36 = 2,654.76/x
  3. Step 3: Cross multiply
    8,894.80x = 13,344.36 × 2,654.76
  4. Step 4: Simplify right side
    8,894.80x = 35,426,073.15
  5. Step 5: Solve for x
    x = 35,426,073.15/8,894.80
  6. Step 6: Final answer
    x = 3,982.78

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1.5x scale

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.