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Finding the Fourth Proportional to 27,201.49, 40,797.53 and 7,211.11

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Solution

The fourth proportional to 27,201.49, 40,797.53 and 7,211.11 is: 10,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.49 : 40,797.53 = 7,211.11 : x
  2. Step 2: Convert to fraction form
    27,201.49/40,797.53 = 7,211.11/x
  3. Step 3: Cross multiply
    27,201.49x = 40,797.53 × 7,211.11
  4. Step 4: Simplify right side
    27,201.49x = 294,195,236.52
  5. Step 5: Solve for x
    x = 294,195,236.52/27,201.49
  6. Step 6: Final answer
    x = 10,815.41

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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.