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Finding the Fourth Proportional to 48,811.74, 73,134.03 and 26,640.68

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Solution

The fourth proportional to 48,811.74, 73,134.03 and 26,640.68 is: 39,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,811.74 : 73,134.03 = 26,640.68 : x
  2. Step 2: Convert to fraction form
    48,811.74/73,134.03 = 26,640.68/x
  3. Step 3: Cross multiply
    48,811.74x = 73,134.03 × 26,640.68
  4. Step 4: Simplify right side
    48,811.74x = 1,948,339,924.67
  5. Step 5: Solve for x
    x = 1,948,339,924.67/48,811.74
  6. Step 6: Final answer
    x = 39,915.39

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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.