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Finding the Fourth Proportional to 63,671.22, 87,867.78 and 34,992.36

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Solution

The fourth proportional to 63,671.22, 87,867.78 and 34,992.36 is: 48,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.22 : 87,867.78 = 34,992.36 : x
  2. Step 2: Convert to fraction form
    63,671.22/87,867.78 = 34,992.36/x
  3. Step 3: Cross multiply
    63,671.22x = 87,867.78 × 34,992.36
  4. Step 4: Simplify right side
    63,671.22x = 3,074,700,990.16
  5. Step 5: Solve for x
    x = 3,074,700,990.16/63,671.22
  6. Step 6: Final answer
    x = 48,290.28

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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.