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Finding the Fourth Proportional to 7,797.12, 10,760.28 and 4,260.24

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Solution

The fourth proportional to 7,797.12, 10,760.28 and 4,260.24 is: 5,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.12 : 10,760.28 = 4,260.24 : x
  2. Step 2: Convert to fraction form
    7,797.12/10,760.28 = 4,260.24/x
  3. Step 3: Cross multiply
    7,797.12x = 10,760.28 × 4,260.24
  4. Step 4: Simplify right side
    7,797.12x = 45,841,375.27
  5. Step 5: Solve for x
    x = 45,841,375.27/7,797.12
  6. Step 6: Final answer
    x = 5,879.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.