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Finding the Fourth Proportional to 8,087.98, 12,133.17 and 2,892.64

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Solution

The fourth proportional to 8,087.98, 12,133.17 and 2,892.64 is: 4,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.98 : 12,133.17 = 2,892.64 : x
  2. Step 2: Convert to fraction form
    8,087.98/12,133.17 = 2,892.64/x
  3. Step 3: Cross multiply
    8,087.98x = 12,133.17 × 2,892.64
  4. Step 4: Simplify right side
    8,087.98x = 35,096,892.87
  5. Step 5: Solve for x
    x = 35,096,892.87/8,087.98
  6. Step 6: Final answer
    x = 4,339.39

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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.