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Finding the Fourth Proportional to 3,799.31, 5,699.03 and 1,719.39

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Solution

The fourth proportional to 3,799.31, 5,699.03 and 1,719.39 is: 2,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.31 : 5,699.03 = 1,719.39 : x
  2. Step 2: Convert to fraction form
    3,799.31/5,699.03 = 1,719.39/x
  3. Step 3: Cross multiply
    3,799.31x = 5,699.03 × 1,719.39
  4. Step 4: Simplify right side
    3,799.31x = 9,798,818.10
  5. Step 5: Solve for x
    x = 9,798,818.10/3,799.31
  6. Step 6: Final answer
    x = 2,579.10

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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.