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Finding the Fourth Proportional to 8,330.88, 12,496.43 and 3,399.44

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Solution

The fourth proportional to 8,330.88, 12,496.43 and 3,399.44 is: 5,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.88 : 12,496.43 = 3,399.44 : x
  2. Step 2: Convert to fraction form
    8,330.88/12,496.43 = 3,399.44/x
  3. Step 3: Cross multiply
    8,330.88x = 12,496.43 × 3,399.44
  4. Step 4: Simplify right side
    8,330.88x = 42,480,784.52
  5. Step 5: Solve for x
    x = 42,480,784.52/8,330.88
  6. Step 6: Final answer
    x = 5,099.20

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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.