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Finding the Fourth Proportional to 24,456, 33,750 and 13,278.72

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Solution

The fourth proportional to 24,456, 33,750 and 13,278.72 is: 18,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,456 : 33,750 = 13,278.72 : x
  2. Step 2: Convert to fraction form
    24,456/33,750 = 13,278.72/x
  3. Step 3: Cross multiply
    24,456x = 33,750 × 13,278.72
  4. Step 4: Simplify right side
    24,456x = 448,156,800
  5. Step 5: Solve for x
    x = 448,156,800/24,456
  6. Step 6: Final answer
    x = 18,325.02

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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.