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Finding the Fourth Proportional to 63,655, 87,843.96 and 35,363.32

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Solution

The fourth proportional to 63,655, 87,843.96 and 35,363.32 is: 48,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,655 : 87,843.96 = 35,363.32 : x
  2. Step 2: Convert to fraction form
    63,655/87,843.96 = 35,363.32/x
  3. Step 3: Cross multiply
    63,655x = 87,843.96 × 35,363.32
  4. Step 4: Simplify right side
    63,655x = 3,106,454,067.55
  5. Step 5: Solve for x
    x = 3,106,454,067.55/63,655
  6. Step 6: Final answer
    x = 48,801.41

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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.