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Finding the Fourth Proportional to 6,238.31, 9,345.20 and 4,844.09

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Solution

The fourth proportional to 6,238.31, 9,345.20 and 4,844.09 is: 7,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.31 : 9,345.20 = 4,844.09 : x
  2. Step 2: Convert to fraction form
    6,238.31/9,345.20 = 4,844.09/x
  3. Step 3: Cross multiply
    6,238.31x = 9,345.20 × 4,844.09
  4. Step 4: Simplify right side
    6,238.31x = 45,268,918.92
  5. Step 5: Solve for x
    x = 45,268,918.92/6,238.31
  6. Step 6: Final answer
    x = 7,256.61

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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.