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Finding the Fourth Proportional to 8,054.12, 12,082.28 and 7,568.12

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Solution

The fourth proportional to 8,054.12, 12,082.28 and 7,568.12 is: 11,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.12 : 12,082.28 = 7,568.12 : x
  2. Step 2: Convert to fraction form
    8,054.12/12,082.28 = 7,568.12/x
  3. Step 3: Cross multiply
    8,054.12x = 12,082.28 × 7,568.12
  4. Step 4: Simplify right side
    8,054.12x = 91,440,144.91
  5. Step 5: Solve for x
    x = 91,440,144.91/8,054.12
  6. Step 6: Final answer
    x = 11,353.21

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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.