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Finding the Fourth Proportional to 2,933.98, 4,401.63 and 986.14

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Solution

The fourth proportional to 2,933.98, 4,401.63 and 986.14 is: 1,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.98 : 4,401.63 = 986.14 : x
  2. Step 2: Convert to fraction form
    2,933.98/4,401.63 = 986.14/x
  3. Step 3: Cross multiply
    2,933.98x = 4,401.63 × 986.14
  4. Step 4: Simplify right side
    2,933.98x = 4,340,623.41
  5. Step 5: Solve for x
    x = 4,340,623.41/2,933.98
  6. Step 6: Final answer
    x = 1,479.43

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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.