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Finding the Fourth Proportional to 49,898.70, 74,848.14 and 33,291.18

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Solution

The fourth proportional to 49,898.70, 74,848.14 and 33,291.18 is: 49,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,898.70 : 74,848.14 = 33,291.18 : x
  2. Step 2: Convert to fraction form
    49,898.70/74,848.14 = 33,291.18/x
  3. Step 3: Cross multiply
    49,898.70x = 74,848.14 × 33,291.18
  4. Step 4: Simplify right side
    49,898.70x = 2,491,782,901.41
  5. Step 5: Solve for x
    x = 2,491,782,901.41/49,898.70
  6. Step 6: Final answer
    x = 49,936.83

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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.