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Finding the Fourth Proportional to 3,363.02, 5,040.06 and 1,513.80

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Solution

The fourth proportional to 3,363.02, 5,040.06 and 1,513.80 is: 2,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.02 : 5,040.06 = 1,513.80 : x
  2. Step 2: Convert to fraction form
    3,363.02/5,040.06 = 1,513.80/x
  3. Step 3: Cross multiply
    3,363.02x = 5,040.06 × 1,513.80
  4. Step 4: Simplify right side
    3,363.02x = 7,629,642.83
  5. Step 5: Solve for x
    x = 7,629,642.83/3,363.02
  6. Step 6: Final answer
    x = 2,268.69

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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.