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Finding the Fourth Proportional to 27,343.52, 41,014.52 and 7,621.28

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Solution

The fourth proportional to 27,343.52, 41,014.52 and 7,621.28 is: 11,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.52 : 41,014.52 = 7,621.28 : x
  2. Step 2: Convert to fraction form
    27,343.52/41,014.52 = 7,621.28/x
  3. Step 3: Cross multiply
    27,343.52x = 41,014.52 × 7,621.28
  4. Step 4: Simplify right side
    27,343.52x = 312,583,140.99
  5. Step 5: Solve for x
    x = 312,583,140.99/27,343.52
  6. Step 6: Final answer
    x = 11,431.71

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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.