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Finding the Fourth Proportional to 27,224.45, 40,836.87 and 7,504.08

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Solution

The fourth proportional to 27,224.45, 40,836.87 and 7,504.08 is: 11,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,224.45 : 40,836.87 = 7,504.08 : x
  2. Step 2: Convert to fraction form
    27,224.45/40,836.87 = 7,504.08/x
  3. Step 3: Cross multiply
    27,224.45x = 40,836.87 × 7,504.08
  4. Step 4: Simplify right side
    27,224.45x = 306,443,139.43
  5. Step 5: Solve for x
    x = 306,443,139.43/27,224.45
  6. Step 6: Final answer
    x = 11,256.18

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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.