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Finding the Fourth Proportional to 2,474.52, 3,414.74 and 1,355.52

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Solution

The fourth proportional to 2,474.52, 3,414.74 and 1,355.52 is: 1,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.52 : 3,414.74 = 1,355.52 : x
  2. Step 2: Convert to fraction form
    2,474.52/3,414.74 = 1,355.52/x
  3. Step 3: Cross multiply
    2,474.52x = 3,414.74 × 1,355.52
  4. Step 4: Simplify right side
    2,474.52x = 4,628,748.36
  5. Step 5: Solve for x
    x = 4,628,748.36/2,474.52
  6. Step 6: Final answer
    x = 1,870.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.