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Finding the Fourth Proportional to 63,799.82, 88,040 and 36,940.42

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Solution

The fourth proportional to 63,799.82, 88,040 and 36,940.42 is: 50,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,799.82 : 88,040 = 36,940.42 : x
  2. Step 2: Convert to fraction form
    63,799.82/88,040 = 36,940.42/x
  3. Step 3: Cross multiply
    63,799.82x = 88,040 × 36,940.42
  4. Step 4: Simplify right side
    63,799.82x = 3,252,234,576.80
  5. Step 5: Solve for x
    x = 3,252,234,576.80/63,799.82
  6. Step 6: Final answer
    x = 50,975.61

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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.