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Finding the Fourth Proportional to 8,894.84, 13,337.60 and 2,654

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Solution

The fourth proportional to 8,894.84, 13,337.60 and 2,654 is: 3,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.84 : 13,337.60 = 2,654 : x
  2. Step 2: Convert to fraction form
    8,894.84/13,337.60 = 2,654/x
  3. Step 3: Cross multiply
    8,894.84x = 13,337.60 × 2,654
  4. Step 4: Simplify right side
    8,894.84x = 35,397,990.40
  5. Step 5: Solve for x
    x = 35,397,990.40/8,894.84
  6. Step 6: Final answer
    x = 3,979.61

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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.