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Finding the Fourth Proportional to 63,677.28, 87,868.08 and 35,379.84

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Solution

The fourth proportional to 63,677.28, 87,868.08 and 35,379.84 is: 48,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,677.28 : 87,868.08 = 35,379.84 : x
  2. Step 2: Convert to fraction form
    63,677.28/87,868.08 = 35,379.84/x
  3. Step 3: Cross multiply
    63,677.28x = 87,868.08 × 35,379.84
  4. Step 4: Simplify right side
    63,677.28x = 3,108,758,611.51
  5. Step 5: Solve for x
    x = 3,108,758,611.51/63,677.28
  6. Step 6: Final answer
    x = 48,820.53

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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.