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Finding the Fourth Proportional to 8,857.94, 13,284.38 and 3,014.42

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Solution

The fourth proportional to 8,857.94, 13,284.38 and 3,014.42 is: 4,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.94 : 13,284.38 = 3,014.42 : x
  2. Step 2: Convert to fraction form
    8,857.94/13,284.38 = 3,014.42/x
  3. Step 3: Cross multiply
    8,857.94x = 13,284.38 × 3,014.42
  4. Step 4: Simplify right side
    8,857.94x = 40,044,634.34
  5. Step 5: Solve for x
    x = 40,044,634.34/8,857.94
  6. Step 6: Final answer
    x = 4,520.76

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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.