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Finding the Fourth Proportional to 63,422.36, 87,523.50 and 38,267

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Solution

The fourth proportional to 63,422.36, 87,523.50 and 38,267 is: 52,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.36 : 87,523.50 = 38,267 : x
  2. Step 2: Convert to fraction form
    63,422.36/87,523.50 = 38,267/x
  3. Step 3: Cross multiply
    63,422.36x = 87,523.50 × 38,267
  4. Step 4: Simplify right side
    63,422.36x = 3,349,261,774.50
  5. Step 5: Solve for x
    x = 3,349,261,774.50/63,422.36
  6. Step 6: Final answer
    x = 52,808.85

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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.