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Finding the Fourth Proportional to 3,716.41, 5,574.63 and 943.08

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Solution

The fourth proportional to 3,716.41, 5,574.63 and 943.08 is: 1,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.41 : 5,574.63 = 943.08 : x
  2. Step 2: Convert to fraction form
    3,716.41/5,574.63 = 943.08/x
  3. Step 3: Cross multiply
    3,716.41x = 5,574.63 × 943.08
  4. Step 4: Simplify right side
    3,716.41x = 5,257,317.35
  5. Step 5: Solve for x
    x = 5,257,317.35/3,716.41
  6. Step 6: Final answer
    x = 1,414.62

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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.