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Finding the Fourth Proportional to 62,467.74, 86,233.82 and 39,837.56

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Solution

The fourth proportional to 62,467.74, 86,233.82 and 39,837.56 is: 54,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,467.74 : 86,233.82 = 39,837.56 : x
  2. Step 2: Convert to fraction form
    62,467.74/86,233.82 = 39,837.56/x
  3. Step 3: Cross multiply
    62,467.74x = 86,233.82 × 39,837.56
  4. Step 4: Simplify right side
    62,467.74x = 3,435,344,347.92
  5. Step 5: Solve for x
    x = 3,435,344,347.92/62,467.74
  6. Step 6: Final answer
    x = 54,993.90

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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.