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Finding the Fourth Proportional to 27,260.87, 40,892.11 and 7,540.88

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Solution

The fourth proportional to 27,260.87, 40,892.11 and 7,540.88 is: 11,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.87 : 40,892.11 = 7,540.88 : x
  2. Step 2: Convert to fraction form
    27,260.87/40,892.11 = 7,540.88/x
  3. Step 3: Cross multiply
    27,260.87x = 40,892.11 × 7,540.88
  4. Step 4: Simplify right side
    27,260.87x = 308,362,271.14
  5. Step 5: Solve for x
    x = 308,362,271.14/27,260.87
  6. Step 6: Final answer
    x = 11,311.54

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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.