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Finding the Fourth Proportional to 48,787.52, 67,374.62 and 41,672.48

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Solution

The fourth proportional to 48,787.52, 67,374.62 and 41,672.48 is: 57,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.52 : 67,374.62 = 41,672.48 : x
  2. Step 2: Convert to fraction form
    48,787.52/67,374.62 = 41,672.48/x
  3. Step 3: Cross multiply
    48,787.52x = 67,374.62 × 41,672.48
  4. Step 4: Simplify right side
    48,787.52x = 2,807,667,504.46
  5. Step 5: Solve for x
    x = 2,807,667,504.46/48,787.52
  6. Step 6: Final answer
    x = 57,548.89

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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.