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Finding the Fourth Proportional to 64,463.38, 88,959.06 and 36,169

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Solution

The fourth proportional to 64,463.38, 88,959.06 and 36,169 is: 49,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.38 : 88,959.06 = 36,169 : x
  2. Step 2: Convert to fraction form
    64,463.38/88,959.06 = 36,169/x
  3. Step 3: Cross multiply
    64,463.38x = 88,959.06 × 36,169
  4. Step 4: Simplify right side
    64,463.38x = 3,217,560,241.14
  5. Step 5: Solve for x
    x = 3,217,560,241.14/64,463.38
  6. Step 6: Final answer
    x = 49,912.99

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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.