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Finding the Fourth Proportional to 27,468.81, 41,198.81 and 7,748.75

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Solution

The fourth proportional to 27,468.81, 41,198.81 and 7,748.75 is: 11,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.81 : 41,198.81 = 7,748.75 : x
  2. Step 2: Convert to fraction form
    27,468.81/41,198.81 = 7,748.75/x
  3. Step 3: Cross multiply
    27,468.81x = 41,198.81 × 7,748.75
  4. Step 4: Simplify right side
    27,468.81x = 319,239,278.99
  5. Step 5: Solve for x
    x = 319,239,278.99/27,468.81
  6. Step 6: Final answer
    x = 11,621.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.