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Finding the Fourth Proportional to 63,422.60, 87,522.22 and 34,742.03

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Solution

The fourth proportional to 63,422.60, 87,522.22 and 34,742.03 is: 47,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.60 : 87,522.22 = 34,742.03 : x
  2. Step 2: Convert to fraction form
    63,422.60/87,522.22 = 34,742.03/x
  3. Step 3: Cross multiply
    63,422.60x = 87,522.22 × 34,742.03
  4. Step 4: Simplify right side
    63,422.60x = 3,040,699,592.91
  5. Step 5: Solve for x
    x = 3,040,699,592.91/63,422.60
  6. Step 6: Final answer
    x = 47,943.47

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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.