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Finding the Fourth Proportional to 63,992.76, 88,325.82 and 38,863.32

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Solution

The fourth proportional to 63,992.76, 88,325.82 and 38,863.32 is: 53,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.76 : 88,325.82 = 38,863.32 : x
  2. Step 2: Convert to fraction form
    63,992.76/88,325.82 = 38,863.32/x
  3. Step 3: Cross multiply
    63,992.76x = 88,325.82 × 38,863.32
  4. Step 4: Simplify right side
    63,992.76x = 3,432,634,606.92
  5. Step 5: Solve for x
    x = 3,432,634,606.92/63,992.76
  6. Step 6: Final answer
    x = 53,640.98

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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.