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Finding the Fourth Proportional to 8,691.98, 13,041.23 and 4,014.23

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Solution

The fourth proportional to 8,691.98, 13,041.23 and 4,014.23 is: 6,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.98 : 13,041.23 = 4,014.23 : x
  2. Step 2: Convert to fraction form
    8,691.98/13,041.23 = 4,014.23/x
  3. Step 3: Cross multiply
    8,691.98x = 13,041.23 × 4,014.23
  4. Step 4: Simplify right side
    8,691.98x = 52,350,496.70
  5. Step 5: Solve for x
    x = 52,350,496.70/8,691.98
  6. Step 6: Final answer
    x = 6,022.85

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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.