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Finding the Fourth Proportional to 2,398.49, 3,597.74 and 936.62

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Solution

The fourth proportional to 2,398.49, 3,597.74 and 936.62 is: 1,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.49 : 3,597.74 = 936.62 : x
  2. Step 2: Convert to fraction form
    2,398.49/3,597.74 = 936.62/x
  3. Step 3: Cross multiply
    2,398.49x = 3,597.74 × 936.62
  4. Step 4: Simplify right side
    2,398.49x = 3,369,708.59
  5. Step 5: Solve for x
    x = 3,369,708.59/2,398.49
  6. Step 6: Final answer
    x = 1,404.93

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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.