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Finding the Fourth Proportional to 2,398.60, 3,603.30 and 2,333.80

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Solution

The fourth proportional to 2,398.60, 3,603.30 and 2,333.80 is: 3,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.60 : 3,603.30 = 2,333.80 : x
  2. Step 2: Convert to fraction form
    2,398.60/3,603.30 = 2,333.80/x
  3. Step 3: Cross multiply
    2,398.60x = 3,603.30 × 2,333.80
  4. Step 4: Simplify right side
    2,398.60x = 8,409,381.54
  5. Step 5: Solve for x
    x = 8,409,381.54/2,398.60
  6. Step 6: Final answer
    x = 3,505.95

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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.