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Finding the Fourth Proportional to 8,524.95, 12,790.05 and 4,367.89

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Solution

The fourth proportional to 8,524.95, 12,790.05 and 4,367.89 is: 6,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.95 : 12,790.05 = 4,367.89 : x
  2. Step 2: Convert to fraction form
    8,524.95/12,790.05 = 4,367.89/x
  3. Step 3: Cross multiply
    8,524.95x = 12,790.05 × 4,367.89
  4. Step 4: Simplify right side
    8,524.95x = 55,865,531.49
  5. Step 5: Solve for x
    x = 55,865,531.49/8,524.95
  6. Step 6: Final answer
    x = 6,553.18

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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.