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Finding the Fourth Proportional to 63,661.52, 87,853 and 35,367.44

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Solution

The fourth proportional to 63,661.52, 87,853 and 35,367.44 is: 48,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.52 : 87,853 = 35,367.44 : x
  2. Step 2: Convert to fraction form
    63,661.52/87,853 = 35,367.44/x
  3. Step 3: Cross multiply
    63,661.52x = 87,853 × 35,367.44
  4. Step 4: Simplify right side
    63,661.52x = 3,107,135,706.32
  5. Step 5: Solve for x
    x = 3,107,135,706.32/63,661.52
  6. Step 6: Final answer
    x = 48,807.12

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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.