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Finding the Fourth Proportional to 48,728.76, 67,245.69 and 26,372.76

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Solution

The fourth proportional to 48,728.76, 67,245.69 and 26,372.76 is: 36,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.76 : 67,245.69 = 26,372.76 : x
  2. Step 2: Convert to fraction form
    48,728.76/67,245.69 = 26,372.76/x
  3. Step 3: Cross multiply
    48,728.76x = 67,245.69 × 26,372.76
  4. Step 4: Simplify right side
    48,728.76x = 1,773,454,443.40
  5. Step 5: Solve for x
    x = 1,773,454,443.40/48,728.76
  6. Step 6: Final answer
    x = 36,394.41

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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.