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Finding the Fourth Proportional to 49,885.71, 74,849.09 and 36,626.42

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Solution

The fourth proportional to 49,885.71, 74,849.09 and 36,626.42 is: 54,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.71 : 74,849.09 = 36,626.42 : x
  2. Step 2: Convert to fraction form
    49,885.71/74,849.09 = 36,626.42/x
  3. Step 3: Cross multiply
    49,885.71x = 74,849.09 × 36,626.42
  4. Step 4: Simplify right side
    49,885.71x = 2,741,453,649.58
  5. Step 5: Solve for x
    x = 2,741,453,649.58/49,885.71
  6. Step 6: Final answer
    x = 54,954.69

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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.