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Finding the Fourth Proportional to 8,244.90, 12,369.17 and 4,087.17

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Solution

The fourth proportional to 8,244.90, 12,369.17 and 4,087.17 is: 6,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.90 : 12,369.17 = 4,087.17 : x
  2. Step 2: Convert to fraction form
    8,244.90/12,369.17 = 4,087.17/x
  3. Step 3: Cross multiply
    8,244.90x = 12,369.17 × 4,087.17
  4. Step 4: Simplify right side
    8,244.90x = 50,554,910.77
  5. Step 5: Solve for x
    x = 50,554,910.77/8,244.90
  6. Step 6: Final answer
    x = 6,131.66

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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.