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Finding the Fourth Proportional to 48,253.56, 72,414.54 and 21,961.68

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Solution

The fourth proportional to 48,253.56, 72,414.54 and 21,961.68 is: 32,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,253.56 : 72,414.54 = 21,961.68 : x
  2. Step 2: Convert to fraction form
    48,253.56/72,414.54 = 21,961.68/x
  3. Step 3: Cross multiply
    48,253.56x = 72,414.54 × 21,961.68
  4. Step 4: Simplify right side
    48,253.56x = 1,590,344,954.83
  5. Step 5: Solve for x
    x = 1,590,344,954.83/48,253.56
  6. Step 6: Final answer
    x = 32,958.09

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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.