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Finding the Fourth Proportional to 62,843.90, 86,722.37 and 34,549.38

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Solution

The fourth proportional to 62,843.90, 86,722.37 and 34,549.38 is: 47,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.90 : 86,722.37 = 34,549.38 : x
  2. Step 2: Convert to fraction form
    62,843.90/86,722.37 = 34,549.38/x
  3. Step 3: Cross multiply
    62,843.90x = 86,722.37 × 34,549.38
  4. Step 4: Simplify right side
    62,843.90x = 2,996,204,115.63
  5. Step 5: Solve for x
    x = 2,996,204,115.63/62,843.90
  6. Step 6: Final answer
    x = 47,676.93

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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.