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Finding the Fourth Proportional to 63,939.32, 88,236.36 and 35,644.40

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Solution

The fourth proportional to 63,939.32, 88,236.36 and 35,644.40 is: 49,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.32 : 88,236.36 = 35,644.40 : x
  2. Step 2: Convert to fraction form
    63,939.32/88,236.36 = 35,644.40/x
  3. Step 3: Cross multiply
    63,939.32x = 88,236.36 × 35,644.40
  4. Step 4: Simplify right side
    63,939.32x = 3,145,132,110.38
  5. Step 5: Solve for x
    x = 3,145,132,110.38/63,939.32
  6. Step 6: Final answer
    x = 49,189.33

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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.