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Finding the Fourth Proportional to 24,648.40, 36,972.60 and 9,072.10

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Solution

The fourth proportional to 24,648.40, 36,972.60 and 9,072.10 is: 13,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,648.40 : 36,972.60 = 9,072.10 : x
  2. Step 2: Convert to fraction form
    24,648.40/36,972.60 = 9,072.10/x
  3. Step 3: Cross multiply
    24,648.40x = 36,972.60 × 9,072.10
  4. Step 4: Simplify right side
    24,648.40x = 335,419,124.46
  5. Step 5: Solve for x
    x = 335,419,124.46/24,648.40
  6. Step 6: Final answer
    x = 13,608.15

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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.