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Finding the Fourth Proportional to 2,719.74, 3,753.22 and 1,477.74

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Solution

The fourth proportional to 2,719.74, 3,753.22 and 1,477.74 is: 2,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.74 : 3,753.22 = 1,477.74 : x
  2. Step 2: Convert to fraction form
    2,719.74/3,753.22 = 1,477.74/x
  3. Step 3: Cross multiply
    2,719.74x = 3,753.22 × 1,477.74
  4. Step 4: Simplify right side
    2,719.74x = 5,546,283.32
  5. Step 5: Solve for x
    x = 5,546,283.32/2,719.74
  6. Step 6: Final answer
    x = 2,039.27

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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.