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Finding the Fourth Proportional to 24,479, 33,781.29 and 13,301

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Solution

The fourth proportional to 24,479, 33,781.29 and 13,301 is: 18,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479 : 33,781.29 = 13,301 : x
  2. Step 2: Convert to fraction form
    24,479/33,781.29 = 13,301/x
  3. Step 3: Cross multiply
    24,479x = 33,781.29 × 13,301
  4. Step 4: Simplify right side
    24,479x = 449,324,938.29
  5. Step 5: Solve for x
    x = 449,324,938.29/24,479
  6. Step 6: Final answer
    x = 18,355.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.