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Finding the Fourth Proportional to 63,203.25, 87,220.49 and 34,910.76

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Solution

The fourth proportional to 63,203.25, 87,220.49 and 34,910.76 is: 48,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,203.25 : 87,220.49 = 34,910.76 : x
  2. Step 2: Convert to fraction form
    63,203.25/87,220.49 = 34,910.76/x
  3. Step 3: Cross multiply
    63,203.25x = 87,220.49 × 34,910.76
  4. Step 4: Simplify right side
    63,203.25x = 3,044,933,418.92
  5. Step 5: Solve for x
    x = 3,044,933,418.92/63,203.25
  6. Step 6: Final answer
    x = 48,176.85

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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.