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Finding the Fourth Proportional to 48,378.88, 66,787.92 and 37,599.68

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Solution

The fourth proportional to 48,378.88, 66,787.92 and 37,599.68 is: 51,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,378.88 : 66,787.92 = 37,599.68 : x
  2. Step 2: Convert to fraction form
    48,378.88/66,787.92 = 37,599.68/x
  3. Step 3: Cross multiply
    48,378.88x = 66,787.92 × 37,599.68
  4. Step 4: Simplify right side
    48,378.88x = 2,511,204,419.87
  5. Step 5: Solve for x
    x = 2,511,204,419.87/48,378.88
  6. Step 6: Final answer
    x = 51,907.04

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1.5x scale

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.