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Finding the Fourth Proportional to 48,647, 67,132.92 and 26,291

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Solution

The fourth proportional to 48,647, 67,132.92 and 26,291 is: 36,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647 : 67,132.92 = 26,291 : x
  2. Step 2: Convert to fraction form
    48,647/67,132.92 = 26,291/x
  3. Step 3: Cross multiply
    48,647x = 67,132.92 × 26,291
  4. Step 4: Simplify right side
    48,647x = 1,764,991,599.72
  5. Step 5: Solve for x
    x = 1,764,991,599.72/48,647
  6. Step 6: Final answer
    x = 36,281.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.