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Finding the Fourth Proportional to 62,554.25, 86,324.87 and 40,198.25

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Solution

The fourth proportional to 62,554.25, 86,324.87 and 40,198.25 is: 55,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,554.25 : 86,324.87 = 40,198.25 : x
  2. Step 2: Convert to fraction form
    62,554.25/86,324.87 = 40,198.25/x
  3. Step 3: Cross multiply
    62,554.25x = 86,324.87 × 40,198.25
  4. Step 4: Simplify right side
    62,554.25x = 3,470,108,705.48
  5. Step 5: Solve for x
    x = 3,470,108,705.48/62,554.25
  6. Step 6: Final answer
    x = 55,473.59

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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.