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Finding the Fourth Proportional to 63,640.01, 87,764.54 and 43,252.61

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Solution

The fourth proportional to 63,640.01, 87,764.54 and 43,252.61 is: 59,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.01 : 87,764.54 = 43,252.61 : x
  2. Step 2: Convert to fraction form
    63,640.01/87,764.54 = 43,252.61/x
  3. Step 3: Cross multiply
    63,640.01x = 87,764.54 × 43,252.61
  4. Step 4: Simplify right side
    63,640.01x = 3,796,044,765.36
  5. Step 5: Solve for x
    x = 3,796,044,765.36/63,640.01
  6. Step 6: Final answer
    x = 59,648.71

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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.