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Finding the Fourth Proportional to 4,993.44, 6,893.28 and 3,720.48

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Solution

The fourth proportional to 4,993.44, 6,893.28 and 3,720.48 is: 5,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.44 : 6,893.28 = 3,720.48 : x
  2. Step 2: Convert to fraction form
    4,993.44/6,893.28 = 3,720.48/x
  3. Step 3: Cross multiply
    4,993.44x = 6,893.28 × 3,720.48
  4. Step 4: Simplify right side
    4,993.44x = 25,646,310.37
  5. Step 5: Solve for x
    x = 25,646,310.37/4,993.44
  6. Step 6: Final answer
    x = 5,136.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.