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Finding the Fourth Proportional to 8,090.71, 12,134.64 and 2,247.77

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Solution

The fourth proportional to 8,090.71, 12,134.64 and 2,247.77 is: 3,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.71 : 12,134.64 = 2,247.77 : x
  2. Step 2: Convert to fraction form
    8,090.71/12,134.64 = 2,247.77/x
  3. Step 3: Cross multiply
    8,090.71x = 12,134.64 × 2,247.77
  4. Step 4: Simplify right side
    8,090.71x = 27,275,879.75
  5. Step 5: Solve for x
    x = 27,275,879.75/8,090.71
  6. Step 6: Final answer
    x = 3,371.26

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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.