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Finding the Fourth Proportional to 24,531.88, 33,853.99 and 13,353.88

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Solution

The fourth proportional to 24,531.88, 33,853.99 and 13,353.88 is: 18,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,531.88 : 33,853.99 = 13,353.88 : x
  2. Step 2: Convert to fraction form
    24,531.88/33,853.99 = 13,353.88/x
  3. Step 3: Cross multiply
    24,531.88x = 33,853.99 × 13,353.88
  4. Step 4: Simplify right side
    24,531.88x = 452,081,950.71
  5. Step 5: Solve for x
    x = 452,081,950.71/24,531.88
  6. Step 6: Final answer
    x = 18,428.35

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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.