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Finding the Fourth Proportional to 63,696.78, 87,902.67 and 35,017.65

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Solution

The fourth proportional to 63,696.78, 87,902.67 and 35,017.65 is: 48,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.78 : 87,902.67 = 35,017.65 : x
  2. Step 2: Convert to fraction form
    63,696.78/87,902.67 = 35,017.65/x
  3. Step 3: Cross multiply
    63,696.78x = 87,902.67 × 35,017.65
  4. Step 4: Simplify right side
    63,696.78x = 3,078,145,063.44
  5. Step 5: Solve for x
    x = 3,078,145,063.44/63,696.78
  6. Step 6: Final answer
    x = 48,324.97

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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.