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Finding the Fourth Proportional to 2,398.08, 3,597.28 and 838.26

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Solution

The fourth proportional to 2,398.08, 3,597.28 and 838.26 is: 1,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.08 : 3,597.28 = 838.26 : x
  2. Step 2: Convert to fraction form
    2,398.08/3,597.28 = 838.26/x
  3. Step 3: Cross multiply
    2,398.08x = 3,597.28 × 838.26
  4. Step 4: Simplify right side
    2,398.08x = 3,015,455.93
  5. Step 5: Solve for x
    x = 3,015,455.93/2,398.08
  6. Step 6: Final answer
    x = 1,257.45

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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.