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Finding the Fourth Proportional to 3,807.56, 5,711.37 and 1,341.82

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Solution

The fourth proportional to 3,807.56, 5,711.37 and 1,341.82 is: 2,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.56 : 5,711.37 = 1,341.82 : x
  2. Step 2: Convert to fraction form
    3,807.56/5,711.37 = 1,341.82/x
  3. Step 3: Cross multiply
    3,807.56x = 5,711.37 × 1,341.82
  4. Step 4: Simplify right side
    3,807.56x = 7,663,630.49
  5. Step 5: Solve for x
    x = 7,663,630.49/3,807.56
  6. Step 6: Final answer
    x = 2,012.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.