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Finding the Fourth Proportional to 49,974.22, 74,900.70 and 36,703.53

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Solution

The fourth proportional to 49,974.22, 74,900.70 and 36,703.53 is: 55,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.22 : 74,900.70 = 36,703.53 : x
  2. Step 2: Convert to fraction form
    49,974.22/74,900.70 = 36,703.53/x
  3. Step 3: Cross multiply
    49,974.22x = 74,900.70 × 36,703.53
  4. Step 4: Simplify right side
    49,974.22x = 2,749,120,089.47
  5. Step 5: Solve for x
    x = 2,749,120,089.47/49,974.22
  6. Step 6: Final answer
    x = 55,010.77

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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.