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Finding the Fourth Proportional to 6,874.28, 10,313.28 and 3,173.48

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Solution

The fourth proportional to 6,874.28, 10,313.28 and 3,173.48 is: 4,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.28 : 10,313.28 = 3,173.48 : x
  2. Step 2: Convert to fraction form
    6,874.28/10,313.28 = 3,173.48/x
  3. Step 3: Cross multiply
    6,874.28x = 10,313.28 × 3,173.48
  4. Step 4: Simplify right side
    6,874.28x = 32,728,987.81
  5. Step 5: Solve for x
    x = 32,728,987.81/6,874.28
  6. Step 6: Final answer
    x = 4,761.08

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1.5x scale

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.