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Finding the Fourth Proportional to 27,211.20, 40,768.20 and 23,323.20

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Solution

The fourth proportional to 27,211.20, 40,768.20 and 23,323.20 is: 34,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.20 : 40,768.20 = 23,323.20 : x
  2. Step 2: Convert to fraction form
    27,211.20/40,768.20 = 23,323.20/x
  3. Step 3: Cross multiply
    27,211.20x = 40,768.20 × 23,323.20
  4. Step 4: Simplify right side
    27,211.20x = 950,844,882.24
  5. Step 5: Solve for x
    x = 950,844,882.24/27,211.20
  6. Step 6: Final answer
    x = 34,943.14

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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.