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Finding the Fourth Proportional to 7,335.74, 11,003.49 and 1,789.09

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Solution

The fourth proportional to 7,335.74, 11,003.49 and 1,789.09 is: 2,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.74 : 11,003.49 = 1,789.09 : x
  2. Step 2: Convert to fraction form
    7,335.74/11,003.49 = 1,789.09/x
  3. Step 3: Cross multiply
    7,335.74x = 11,003.49 × 1,789.09
  4. Step 4: Simplify right side
    7,335.74x = 19,686,233.92
  5. Step 5: Solve for x
    x = 19,686,233.92/7,335.74
  6. Step 6: Final answer
    x = 2,683.61

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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.