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Finding the Fourth Proportional to 8,894.90, 13,343.03 and 2,654.42

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Solution

The fourth proportional to 8,894.90, 13,343.03 and 2,654.42 is: 3,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.90 : 13,343.03 = 2,654.42 : x
  2. Step 2: Convert to fraction form
    8,894.90/13,343.03 = 2,654.42/x
  3. Step 3: Cross multiply
    8,894.90x = 13,343.03 × 2,654.42
  4. Step 4: Simplify right side
    8,894.90x = 35,418,005.69
  5. Step 5: Solve for x
    x = 35,418,005.69/8,894.90
  6. Step 6: Final answer
    x = 3,981.83

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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.