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Finding the Fourth Proportional to 48,447.70, 66,855.70 and 27,226.50

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Solution

The fourth proportional to 48,447.70, 66,855.70 and 27,226.50 is: 37,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.70 : 66,855.70 = 27,226.50 : x
  2. Step 2: Convert to fraction form
    48,447.70/66,855.70 = 27,226.50/x
  3. Step 3: Cross multiply
    48,447.70x = 66,855.70 × 27,226.50
  4. Step 4: Simplify right side
    48,447.70x = 1,820,246,716.05
  5. Step 5: Solve for x
    x = 1,820,246,716.05/48,447.70
  6. Step 6: Final answer
    x = 37,571.38

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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.