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Finding the Fourth Proportional to 63,787.88, 88,025.48 and 36,930.84

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Solution

The fourth proportional to 63,787.88, 88,025.48 and 36,930.84 is: 50,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.88 : 88,025.48 = 36,930.84 : x
  2. Step 2: Convert to fraction form
    63,787.88/88,025.48 = 36,930.84/x
  3. Step 3: Cross multiply
    63,787.88x = 88,025.48 × 36,930.84
  4. Step 4: Simplify right side
    63,787.88x = 3,250,854,917.80
  5. Step 5: Solve for x
    x = 3,250,854,917.80/63,787.88
  6. Step 6: Final answer
    x = 50,963.52

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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.