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Finding the Fourth Proportional to 3,203.36, 4,420.94 and 1,944.13

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Solution

The fourth proportional to 3,203.36, 4,420.94 and 1,944.13 is: 2,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.36 : 4,420.94 = 1,944.13 : x
  2. Step 2: Convert to fraction form
    3,203.36/4,420.94 = 1,944.13/x
  3. Step 3: Cross multiply
    3,203.36x = 4,420.94 × 1,944.13
  4. Step 4: Simplify right side
    3,203.36x = 8,594,882.08
  5. Step 5: Solve for x
    x = 8,594,882.08/3,203.36
  6. Step 6: Final answer
    x = 2,683.08

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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.