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Finding the Fourth Proportional to 49,898.78, 74,902.09 and 44,387.42

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Solution

The fourth proportional to 49,898.78, 74,902.09 and 44,387.42 is: 66,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,898.78 : 74,902.09 = 44,387.42 : x
  2. Step 2: Convert to fraction form
    49,898.78/74,902.09 = 44,387.42/x
  3. Step 3: Cross multiply
    49,898.78x = 74,902.09 × 44,387.42
  4. Step 4: Simplify right side
    49,898.78x = 3,324,710,527.71
  5. Step 5: Solve for x
    x = 3,324,710,527.71/49,898.78
  6. Step 6: Final answer
    x = 66,629.09

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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.