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Finding the Fourth Proportional to 63,616.88, 87,792.44 and 34,939.23

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Solution

The fourth proportional to 63,616.88, 87,792.44 and 34,939.23 is: 48,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,616.88 : 87,792.44 = 34,939.23 : x
  2. Step 2: Convert to fraction form
    63,616.88/87,792.44 = 34,939.23/x
  3. Step 3: Cross multiply
    63,616.88x = 87,792.44 × 34,939.23
  4. Step 4: Simplify right side
    63,616.88x = 3,067,400,078.73
  5. Step 5: Solve for x
    x = 3,067,400,078.73/63,616.88
  6. Step 6: Final answer
    x = 48,216.77

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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.