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Finding the Fourth Proportional to 48,976, 67,586.88 and 26,620

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Solution

The fourth proportional to 48,976, 67,586.88 and 26,620 is: 36,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,976 : 67,586.88 = 26,620 : x
  2. Step 2: Convert to fraction form
    48,976/67,586.88 = 26,620/x
  3. Step 3: Cross multiply
    48,976x = 67,586.88 × 26,620
  4. Step 4: Simplify right side
    48,976x = 1,799,162,745.60
  5. Step 5: Solve for x
    x = 1,799,162,745.60/48,976
  6. Step 6: Final answer
    x = 36,735.60

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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.