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Finding the Fourth Proportional to 63,675.84, 87,868.80 and 35,380.56

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Solution

The fourth proportional to 63,675.84, 87,868.80 and 35,380.56 is: 48,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,675.84 : 87,868.80 = 35,380.56 : x
  2. Step 2: Convert to fraction form
    63,675.84/87,868.80 = 35,380.56/x
  3. Step 3: Cross multiply
    63,675.84x = 87,868.80 × 35,380.56
  4. Step 4: Simplify right side
    63,675.84x = 3,108,847,350.53
  5. Step 5: Solve for x
    x = 3,108,847,350.53/63,675.84
  6. Step 6: Final answer
    x = 48,823.03

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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.