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Finding the Fourth Proportional to 48,728.88, 67,245.87 and 26,372.88

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Solution

The fourth proportional to 48,728.88, 67,245.87 and 26,372.88 is: 36,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.88 : 67,245.87 = 26,372.88 : x
  2. Step 2: Convert to fraction form
    48,728.88/67,245.87 = 26,372.88/x
  3. Step 3: Cross multiply
    48,728.88x = 67,245.87 × 26,372.88
  4. Step 4: Simplify right side
    48,728.88x = 1,773,467,260.01
  5. Step 5: Solve for x
    x = 1,773,467,260.01/48,728.88
  6. Step 6: Final answer
    x = 36,394.58

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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.