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Finding the Fourth Proportional to 2,395.74, 3,593.60 and 1,418.88

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Solution

The fourth proportional to 2,395.74, 3,593.60 and 1,418.88 is: 2,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.74 : 3,593.60 = 1,418.88 : x
  2. Step 2: Convert to fraction form
    2,395.74/3,593.60 = 1,418.88/x
  3. Step 3: Cross multiply
    2,395.74x = 3,593.60 × 1,418.88
  4. Step 4: Simplify right side
    2,395.74x = 5,098,880.07
  5. Step 5: Solve for x
    x = 5,098,880.07/2,395.74
  6. Step 6: Final answer
    x = 2,128.31

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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.