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Finding the Fourth Proportional to 8,394.84, 12,592.80 and 2,849.04

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Solution

The fourth proportional to 8,394.84, 12,592.80 and 2,849.04 is: 4,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.84 : 12,592.80 = 2,849.04 : x
  2. Step 2: Convert to fraction form
    8,394.84/12,592.80 = 2,849.04/x
  3. Step 3: Cross multiply
    8,394.84x = 12,592.80 × 2,849.04
  4. Step 4: Simplify right side
    8,394.84x = 35,877,390.91
  5. Step 5: Solve for x
    x = 35,877,390.91/8,394.84
  6. Step 6: Final answer
    x = 4,273.74

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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.