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Finding the Fourth Proportional to 11,393.74, 17,089.25 and 3,073.12

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Solution

The fourth proportional to 11,393.74, 17,089.25 and 3,073.12 is: 4,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.74 : 17,089.25 = 3,073.12 : x
  2. Step 2: Convert to fraction form
    11,393.74/17,089.25 = 3,073.12/x
  3. Step 3: Cross multiply
    11,393.74x = 17,089.25 × 3,073.12
  4. Step 4: Simplify right side
    11,393.74x = 52,517,257.87
  5. Step 5: Solve for x
    x = 52,517,257.87/11,393.74
  6. Step 6: Final answer
    x = 4,609.31

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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.