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Finding the Fourth Proportional to 49,794.68, 68,716.32 and 27,438.68

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Solution

The fourth proportional to 49,794.68, 68,716.32 and 27,438.68 is: 37,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,794.68 : 68,716.32 = 27,438.68 : x
  2. Step 2: Convert to fraction form
    49,794.68/68,716.32 = 27,438.68/x
  3. Step 3: Cross multiply
    49,794.68x = 68,716.32 × 27,438.68
  4. Step 4: Simplify right side
    49,794.68x = 1,885,485,115.26
  5. Step 5: Solve for x
    x = 1,885,485,115.26/49,794.68
  6. Step 6: Final answer
    x = 37,865.19

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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.