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Finding the Fourth Proportional to 63,647.73, 87,836.65 and 35,353.42

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Solution

The fourth proportional to 63,647.73, 87,836.65 and 35,353.42 is: 48,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.73 : 87,836.65 = 35,353.42 : x
  2. Step 2: Convert to fraction form
    63,647.73/87,836.65 = 35,353.42/x
  3. Step 3: Cross multiply
    63,647.73x = 87,836.65 × 35,353.42
  4. Step 4: Simplify right side
    63,647.73x = 3,105,325,670.87
  5. Step 5: Solve for x
    x = 3,105,325,670.87/63,647.73
  6. Step 6: Final answer
    x = 48,789.26

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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.