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Finding the Fourth Proportional to 63,057.49, 87,019.94 and 34,764.19

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Solution

The fourth proportional to 63,057.49, 87,019.94 and 34,764.19 is: 47,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.49 : 87,019.94 = 34,764.19 : x
  2. Step 2: Convert to fraction form
    63,057.49/87,019.94 = 34,764.19/x
  3. Step 3: Cross multiply
    63,057.49x = 87,019.94 × 34,764.19
  4. Step 4: Simplify right side
    63,057.49x = 3,025,177,727.95
  5. Step 5: Solve for x
    x = 3,025,177,727.95/63,057.49
  6. Step 6: Final answer
    x = 47,974.92

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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.