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Finding the Fourth Proportional to 63,489.39, 87,610.64 and 34,804.46

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Solution

The fourth proportional to 63,489.39, 87,610.64 and 34,804.46 is: 48,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489.39 : 87,610.64 = 34,804.46 : x
  2. Step 2: Convert to fraction form
    63,489.39/87,610.64 = 34,804.46/x
  3. Step 3: Cross multiply
    63,489.39x = 87,610.64 × 34,804.46
  4. Step 4: Simplify right side
    63,489.39x = 3,049,240,403.38
  5. Step 5: Solve for x
    x = 3,049,240,403.38/63,489.39
  6. Step 6: Final answer
    x = 48,027.56

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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.