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Finding the Fourth Proportional to 8,793.55, 13,191.36 and 3,862.57

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Solution

The fourth proportional to 8,793.55, 13,191.36 and 3,862.57 is: 5,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.55 : 13,191.36 = 3,862.57 : x
  2. Step 2: Convert to fraction form
    8,793.55/13,191.36 = 3,862.57/x
  3. Step 3: Cross multiply
    8,793.55x = 13,191.36 × 3,862.57
  4. Step 4: Simplify right side
    8,793.55x = 50,952,551.40
  5. Step 5: Solve for x
    x = 50,952,551.40/8,793.55
  6. Step 6: Final answer
    x = 5,794.31

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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.