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Finding the Fourth Proportional to 69,613, 104,394.58 and 27,491.38

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Solution

The fourth proportional to 69,613, 104,394.58 and 27,491.38 is: 41,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613 : 104,394.58 = 27,491.38 : x
  2. Step 2: Convert to fraction form
    69,613/104,394.58 = 27,491.38/x
  3. Step 3: Cross multiply
    69,613x = 104,394.58 × 27,491.38
  4. Step 4: Simplify right side
    69,613x = 2,869,951,068.72
  5. Step 5: Solve for x
    x = 2,869,951,068.72/69,613
  6. Step 6: Final answer
    x = 41,227.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.