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Finding the Fourth Proportional to 3,116.76, 4,300.83 and 1,719.42

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Solution

The fourth proportional to 3,116.76, 4,300.83 and 1,719.42 is: 2,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.76 : 4,300.83 = 1,719.42 : x
  2. Step 2: Convert to fraction form
    3,116.76/4,300.83 = 1,719.42/x
  3. Step 3: Cross multiply
    3,116.76x = 4,300.83 × 1,719.42
  4. Step 4: Simplify right side
    3,116.76x = 7,394,933.12
  5. Step 5: Solve for x
    x = 7,394,933.12/3,116.76
  6. Step 6: Final answer
    x = 2,372.63

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