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Finding the Fourth Proportional to 64,481.01, 88,983.84 and 36,186.69

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Solution

The fourth proportional to 64,481.01, 88,983.84 and 36,186.69 is: 49,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.01 : 88,983.84 = 36,186.69 : x
  2. Step 2: Convert to fraction form
    64,481.01/88,983.84 = 36,186.69/x
  3. Step 3: Cross multiply
    64,481.01x = 88,983.84 × 36,186.69
  4. Step 4: Simplify right side
    64,481.01x = 3,220,030,633.09
  5. Step 5: Solve for x
    x = 3,220,030,633.09/64,481.01
  6. Step 6: Final answer
    x = 49,937.66

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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.