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Finding the Fourth Proportional to 64,357.72, 88,805.10 and 36,063.88

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Solution

The fourth proportional to 64,357.72, 88,805.10 and 36,063.88 is: 49,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.72 : 88,805.10 = 36,063.88 : x
  2. Step 2: Convert to fraction form
    64,357.72/88,805.10 = 36,063.88/x
  3. Step 3: Cross multiply
    64,357.72x = 88,805.10 × 36,063.88
  4. Step 4: Simplify right side
    64,357.72x = 3,202,656,469.79
  5. Step 5: Solve for x
    x = 3,202,656,469.79/64,357.72
  6. Step 6: Final answer
    x = 49,763.36

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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.