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Finding the Fourth Proportional to 2,991.33, 4,487.00 and 2,262.33

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Solution

The fourth proportional to 2,991.33, 4,487.00 and 2,262.33 is: 3,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.33 : 4,487.00 = 2,262.33 : x
  2. Step 2: Convert to fraction form
    2,991.33/4,487.00 = 2,262.33/x
  3. Step 3: Cross multiply
    2,991.33x = 4,487.00 × 2,262.33
  4. Step 4: Simplify right side
    2,991.33x = 10,151,063.40
  5. Step 5: Solve for x
    x = 10,151,063.40/2,991.33
  6. Step 6: Final answer
    x = 3,393.50

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1.5x scale

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.