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Finding the Fourth Proportional to 27,216.24, 40,824.36 and 7,494.99

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Solution

The fourth proportional to 27,216.24, 40,824.36 and 7,494.99 is: 11,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.24 : 40,824.36 = 7,494.99 : x
  2. Step 2: Convert to fraction form
    27,216.24/40,824.36 = 7,494.99/x
  3. Step 3: Cross multiply
    27,216.24x = 40,824.36 × 7,494.99
  4. Step 4: Simplify right side
    27,216.24x = 305,978,169.96
  5. Step 5: Solve for x
    x = 305,978,169.96/27,216.24
  6. Step 6: Final answer
    x = 11,242.49

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Similar ratio
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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.