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Finding the Fourth Proportional to 62,697.44, 86,519.85 and 34,401.31

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Solution

The fourth proportional to 62,697.44, 86,519.85 and 34,401.31 is: 47,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.44 : 86,519.85 = 34,401.31 : x
  2. Step 2: Convert to fraction form
    62,697.44/86,519.85 = 34,401.31/x
  3. Step 3: Cross multiply
    62,697.44x = 86,519.85 × 34,401.31
  4. Step 4: Simplify right side
    62,697.44x = 2,976,395,835.70
  5. Step 5: Solve for x
    x = 2,976,395,835.70/62,697.44
  6. Step 6: Final answer
    x = 47,472.36

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1.5x scale

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.