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Finding the Fourth Proportional to 24,387.51, 33,654.78 and 13,209.51

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Solution

The fourth proportional to 24,387.51, 33,654.78 and 13,209.51 is: 18,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,387.51 : 33,654.78 = 13,209.51 : x
  2. Step 2: Convert to fraction form
    24,387.51/33,654.78 = 13,209.51/x
  3. Step 3: Cross multiply
    24,387.51x = 33,654.78 × 13,209.51
  4. Step 4: Simplify right side
    24,387.51x = 444,563,152.96
  5. Step 5: Solve for x
    x = 444,563,152.96/24,387.51
  6. Step 6: Final answer
    x = 18,229.13

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