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Finding the Fourth Proportional to 63,600.84, 87,768 and 35,305.92

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Solution

The fourth proportional to 63,600.84, 87,768 and 35,305.92 is: 48,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,600.84 : 87,768 = 35,305.92 : x
  2. Step 2: Convert to fraction form
    63,600.84/87,768 = 35,305.92/x
  3. Step 3: Cross multiply
    63,600.84x = 87,768 × 35,305.92
  4. Step 4: Simplify right side
    63,600.84x = 3,098,729,986.56
  5. Step 5: Solve for x
    x = 3,098,729,986.56/63,600.84
  6. Step 6: Final answer
    x = 48,721.53

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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.