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Finding the Fourth Proportional to 63,122.82, 87,107.85 and 34,827.90

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Solution

The fourth proportional to 63,122.82, 87,107.85 and 34,827.90 is: 48,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.82 : 87,107.85 = 34,827.90 : x
  2. Step 2: Convert to fraction form
    63,122.82/87,107.85 = 34,827.90/x
  3. Step 3: Cross multiply
    63,122.82x = 87,107.85 × 34,827.90
  4. Step 4: Simplify right side
    63,122.82x = 3,033,783,489.02
  5. Step 5: Solve for x
    x = 3,033,783,489.02/63,122.82
  6. Step 6: Final answer
    x = 48,061.60

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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.