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Finding the Fourth Proportional to 3,016.71, 4,524.66 and 825.26

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Solution

The fourth proportional to 3,016.71, 4,524.66 and 825.26 is: 1,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.71 : 4,524.66 = 825.26 : x
  2. Step 2: Convert to fraction form
    3,016.71/4,524.66 = 825.26/x
  3. Step 3: Cross multiply
    3,016.71x = 4,524.66 × 825.26
  4. Step 4: Simplify right side
    3,016.71x = 3,733,998.29
  5. Step 5: Solve for x
    x = 3,733,998.29/3,016.71
  6. Step 6: Final answer
    x = 1,237.77

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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.