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Finding the Fourth Proportional to 11,343.72, 17,000.08 and 8,568.12

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Solution

The fourth proportional to 11,343.72, 17,000.08 and 8,568.12 is: 12,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.72 : 17,000.08 = 8,568.12 : x
  2. Step 2: Convert to fraction form
    11,343.72/17,000.08 = 8,568.12/x
  3. Step 3: Cross multiply
    11,343.72x = 17,000.08 × 8,568.12
  4. Step 4: Simplify right side
    11,343.72x = 145,658,725.45
  5. Step 5: Solve for x
    x = 145,658,725.45/11,343.72
  6. Step 6: Final answer
    x = 12,840.47

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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.