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Finding the Fourth Proportional to 63,620, 87,799.25 and 35,327.51

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Solution

The fourth proportional to 63,620, 87,799.25 and 35,327.51 is: 48,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620 : 87,799.25 = 35,327.51 : x
  2. Step 2: Convert to fraction form
    63,620/87,799.25 = 35,327.51/x
  3. Step 3: Cross multiply
    63,620x = 87,799.25 × 35,327.51
  4. Step 4: Simplify right side
    63,620x = 3,101,728,705.73
  5. Step 5: Solve for x
    x = 3,101,728,705.73/63,620
  6. Step 6: Final answer
    x = 48,753.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.