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Finding the Fourth Proportional to 61,255.70, 84,526.29 and 34,401.14

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Solution

The fourth proportional to 61,255.70, 84,526.29 and 34,401.14 is: 47,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.70 : 84,526.29 = 34,401.14 : x
  2. Step 2: Convert to fraction form
    61,255.70/84,526.29 = 34,401.14/x
  3. Step 3: Cross multiply
    61,255.70x = 84,526.29 × 34,401.14
  4. Step 4: Simplify right side
    61,255.70x = 2,907,800,735.97
  5. Step 5: Solve for x
    x = 2,907,800,735.97/61,255.70
  6. Step 6: Final answer
    x = 47,469.88

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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.