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Finding the Fourth Proportional to 2,393.73, 3,303.18 and 1,331.42

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Solution

The fourth proportional to 2,393.73, 3,303.18 and 1,331.42 is: 1,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.73 : 3,303.18 = 1,331.42 : x
  2. Step 2: Convert to fraction form
    2,393.73/3,303.18 = 1,331.42/x
  3. Step 3: Cross multiply
    2,393.73x = 3,303.18 × 1,331.42
  4. Step 4: Simplify right side
    2,393.73x = 4,397,903.40
  5. Step 5: Solve for x
    x = 4,397,903.40/2,393.73
  6. Step 6: Final answer
    x = 1,837.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.