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Finding the Fourth Proportional to 8,242.33, 12,363.29 and 2,398.99

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Solution

The fourth proportional to 8,242.33, 12,363.29 and 2,398.99 is: 3,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.33 : 12,363.29 = 2,398.99 : x
  2. Step 2: Convert to fraction form
    8,242.33/12,363.29 = 2,398.99/x
  3. Step 3: Cross multiply
    8,242.33x = 12,363.29 × 2,398.99
  4. Step 4: Simplify right side
    8,242.33x = 29,659,409.08
  5. Step 5: Solve for x
    x = 29,659,409.08/8,242.33
  6. Step 6: Final answer
    x = 3,598.43

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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.