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Finding the Fourth Proportional to 3,955.33, 5,933.00 and 1,490.70

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Solution

The fourth proportional to 3,955.33, 5,933.00 and 1,490.70 is: 2,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.33 : 5,933.00 = 1,490.70 : x
  2. Step 2: Convert to fraction form
    3,955.33/5,933.00 = 1,490.70/x
  3. Step 3: Cross multiply
    3,955.33x = 5,933.00 × 1,490.70
  4. Step 4: Simplify right side
    3,955.33x = 8,844,340.69
  5. Step 5: Solve for x
    x = 8,844,340.69/3,955.33
  6. Step 6: Final answer
    x = 2,236.06

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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.