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Finding the Fourth Proportional to 2,460, 3,690 and 2,336.96

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Solution

The fourth proportional to 2,460, 3,690 and 2,336.96 is: 3,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460 : 3,690 = 2,336.96 : x
  2. Step 2: Convert to fraction form
    2,460/3,690 = 2,336.96/x
  3. Step 3: Cross multiply
    2,460x = 3,690 × 2,336.96
  4. Step 4: Simplify right side
    2,460x = 8,623,382.40
  5. Step 5: Solve for x
    x = 8,623,382.40/2,460
  6. Step 6: Final answer
    x = 3,505.44

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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.