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Finding the Fourth Proportional to 48,728.49, 67,245.29 and 26,372.49

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Solution

The fourth proportional to 48,728.49, 67,245.29 and 26,372.49 is: 36,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.49 : 67,245.29 = 26,372.49 : x
  2. Step 2: Convert to fraction form
    48,728.49/67,245.29 = 26,372.49/x
  3. Step 3: Cross multiply
    48,728.49x = 67,245.29 × 26,372.49
  4. Step 4: Simplify right side
    48,728.49x = 1,773,425,452.94
  5. Step 5: Solve for x
    x = 1,773,425,452.94/48,728.49
  6. Step 6: Final answer
    x = 36,394.02

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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.