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Finding the Fourth Proportional to 62,769.88, 86,601.35 and 35,542.25

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Solution

The fourth proportional to 62,769.88, 86,601.35 and 35,542.25 is: 49,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,769.88 : 86,601.35 = 35,542.25 : x
  2. Step 2: Convert to fraction form
    62,769.88/86,601.35 = 35,542.25/x
  3. Step 3: Cross multiply
    62,769.88x = 86,601.35 × 35,542.25
  4. Step 4: Simplify right side
    62,769.88x = 3,078,006,654.33
  5. Step 5: Solve for x
    x = 3,078,006,654.33/62,769.88
  6. Step 6: Final answer
    x = 49,036.37

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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.