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Finding the Fourth Proportional to 2,993.33, 4,490.01 and 1,045.53

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Solution

The fourth proportional to 2,993.33, 4,490.01 and 1,045.53 is: 1,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.33 : 4,490.01 = 1,045.53 : x
  2. Step 2: Convert to fraction form
    2,993.33/4,490.01 = 1,045.53/x
  3. Step 3: Cross multiply
    2,993.33x = 4,490.01 × 1,045.53
  4. Step 4: Simplify right side
    2,993.33x = 4,694,440.16
  5. Step 5: Solve for x
    x = 4,694,440.16/2,993.33
  6. Step 6: Final answer
    x = 1,568.30

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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.