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Finding the Fourth Proportional to 8,793.59, 13,191.20 and 2,951.06

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Solution

The fourth proportional to 8,793.59, 13,191.20 and 2,951.06 is: 4,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.59 : 13,191.20 = 2,951.06 : x
  2. Step 2: Convert to fraction form
    8,793.59/13,191.20 = 2,951.06/x
  3. Step 3: Cross multiply
    8,793.59x = 13,191.20 × 2,951.06
  4. Step 4: Simplify right side
    8,793.59x = 38,927,941.96
  5. Step 5: Solve for x
    x = 38,927,941.96/8,793.59
  6. Step 6: Final answer
    x = 4,426.86

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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.