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Finding the Fourth Proportional to 6,451.28, 8,903.28 and 3,763.33

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Solution

The fourth proportional to 6,451.28, 8,903.28 and 3,763.33 is: 5,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.28 : 8,903.28 = 3,763.33 : x
  2. Step 2: Convert to fraction form
    6,451.28/8,903.28 = 3,763.33/x
  3. Step 3: Cross multiply
    6,451.28x = 8,903.28 × 3,763.33
  4. Step 4: Simplify right side
    6,451.28x = 33,505,972.58
  5. Step 5: Solve for x
    x = 33,505,972.58/6,451.28
  6. Step 6: Final answer
    x = 5,193.69

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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.