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Finding the Fourth Proportional to 2,993.50, 4,490.25 and 941.50

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Solution

The fourth proportional to 2,993.50, 4,490.25 and 941.50 is: 1,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.50 : 4,490.25 = 941.50 : x
  2. Step 2: Convert to fraction form
    2,993.50/4,490.25 = 941.50/x
  3. Step 3: Cross multiply
    2,993.50x = 4,490.25 × 941.50
  4. Step 4: Simplify right side
    2,993.50x = 4,227,570.38
  5. Step 5: Solve for x
    x = 4,227,570.38/2,993.50
  6. Step 6: Final answer
    x = 1,412.25

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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.