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Finding the Fourth Proportional to 48,638.86, 67,121.67 and 26,282.86

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Solution

The fourth proportional to 48,638.86, 67,121.67 and 26,282.86 is: 36,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,638.86 : 67,121.67 = 26,282.86 : x
  2. Step 2: Convert to fraction form
    48,638.86/67,121.67 = 26,282.86/x
  3. Step 3: Cross multiply
    48,638.86x = 67,121.67 × 26,282.86
  4. Step 4: Simplify right side
    48,638.86x = 1,764,149,455.58
  5. Step 5: Solve for x
    x = 1,764,149,455.58/48,638.86
  6. Step 6: Final answer
    x = 36,270.37

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1.5x scale

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.