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Finding the Fourth Proportional to 63,878.64, 88,156.49 and 35,584.31

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Solution

The fourth proportional to 63,878.64, 88,156.49 and 35,584.31 is: 49,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.64 : 88,156.49 = 35,584.31 : x
  2. Step 2: Convert to fraction form
    63,878.64/88,156.49 = 35,584.31/x
  3. Step 3: Cross multiply
    63,878.64x = 88,156.49 × 35,584.31
  4. Step 4: Simplify right side
    63,878.64x = 3,136,987,249.97
  5. Step 5: Solve for x
    x = 3,136,987,249.97/63,878.64
  6. Step 6: Final answer
    x = 49,108.55

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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.