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Finding the Fourth Proportional to 48,105.39, 66,366.63 and 27,958.71

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Solution

The fourth proportional to 48,105.39, 66,366.63 and 27,958.71 is: 38,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.39 : 66,366.63 = 27,958.71 : x
  2. Step 2: Convert to fraction form
    48,105.39/66,366.63 = 27,958.71/x
  3. Step 3: Cross multiply
    48,105.39x = 66,366.63 × 27,958.71
  4. Step 4: Simplify right side
    48,105.39x = 1,855,525,361.85
  5. Step 5: Solve for x
    x = 1,855,525,361.85/48,105.39
  6. Step 6: Final answer
    x = 38,572.09

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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.