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Finding the Fourth Proportional to 63,649.72, 87,826.84 and 36,787.02

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Solution

The fourth proportional to 63,649.72, 87,826.84 and 36,787.02 is: 50,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.72 : 87,826.84 = 36,787.02 : x
  2. Step 2: Convert to fraction form
    63,649.72/87,826.84 = 36,787.02/x
  3. Step 3: Cross multiply
    63,649.72x = 87,826.84 × 36,787.02
  4. Step 4: Simplify right side
    63,649.72x = 3,230,887,719.62
  5. Step 5: Solve for x
    x = 3,230,887,719.62/63,649.72
  6. Step 6: Final answer
    x = 50,760.44

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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.