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Finding the Fourth Proportional to 8,324.03, 12,486.56 and 3,393.56

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Solution

The fourth proportional to 8,324.03, 12,486.56 and 3,393.56 is: 5,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.03 : 12,486.56 = 3,393.56 : x
  2. Step 2: Convert to fraction form
    8,324.03/12,486.56 = 3,393.56/x
  3. Step 3: Cross multiply
    8,324.03x = 12,486.56 × 3,393.56
  4. Step 4: Simplify right side
    8,324.03x = 42,373,904.80
  5. Step 5: Solve for x
    x = 42,373,904.80/8,324.03
  6. Step 6: Final answer
    x = 5,090.55

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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.