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Finding the Fourth Proportional to 49,502.40, 74,138.40 and 33,835.20

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Solution

The fourth proportional to 49,502.40, 74,138.40 and 33,835.20 is: 50,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,502.40 : 74,138.40 = 33,835.20 : x
  2. Step 2: Convert to fraction form
    49,502.40/74,138.40 = 33,835.20/x
  3. Step 3: Cross multiply
    49,502.40x = 74,138.40 × 33,835.20
  4. Step 4: Simplify right side
    49,502.40x = 2,508,487,591.68
  5. Step 5: Solve for x
    x = 2,508,487,591.68/49,502.40
  6. Step 6: Final answer
    x = 50,674.06

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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.