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Finding the Fourth Proportional to 2,492.99, 3,739.49 and 2,340.75

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Solution

The fourth proportional to 2,492.99, 3,739.49 and 2,340.75 is: 3,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.99 : 3,739.49 = 2,340.75 : x
  2. Step 2: Convert to fraction form
    2,492.99/3,739.49 = 2,340.75/x
  3. Step 3: Cross multiply
    2,492.99x = 3,739.49 × 2,340.75
  4. Step 4: Simplify right side
    2,492.99x = 8,753,211.22
  5. Step 5: Solve for x
    x = 8,753,211.22/2,492.99
  6. Step 6: Final answer
    x = 3,511.13

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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.