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Finding the Fourth Proportional to 63,620.25, 87,799.59 and 35,327.76

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Solution

The fourth proportional to 63,620.25, 87,799.59 and 35,327.76 is: 48,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.25 : 87,799.59 = 35,327.76 : x
  2. Step 2: Convert to fraction form
    63,620.25/87,799.59 = 35,327.76/x
  3. Step 3: Cross multiply
    63,620.25x = 87,799.59 × 35,327.76
  4. Step 4: Simplify right side
    63,620.25x = 3,101,762,843.62
  5. Step 5: Solve for x
    x = 3,101,762,843.62/63,620.25
  6. Step 6: Final answer
    x = 48,754.33

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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.