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Finding the Fourth Proportional to 8,242.59, 12,364.20 and 2,399.25

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Solution

The fourth proportional to 8,242.59, 12,364.20 and 2,399.25 is: 3,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.59 : 12,364.20 = 2,399.25 : x
  2. Step 2: Convert to fraction form
    8,242.59/12,364.20 = 2,399.25/x
  3. Step 3: Cross multiply
    8,242.59x = 12,364.20 × 2,399.25
  4. Step 4: Simplify right side
    8,242.59x = 29,664,806.85
  5. Step 5: Solve for x
    x = 29,664,806.85/8,242.59
  6. Step 6: Final answer
    x = 3,598.97

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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.