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Finding the Fourth Proportional to 14,770.67, 22,168.78 and 7,755.62

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Solution

The fourth proportional to 14,770.67, 22,168.78 and 7,755.62 is: 11,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.67 : 22,168.78 = 7,755.62 : x
  2. Step 2: Convert to fraction form
    14,770.67/22,168.78 = 7,755.62/x
  3. Step 3: Cross multiply
    14,770.67x = 22,168.78 × 7,755.62
  4. Step 4: Simplify right side
    14,770.67x = 171,932,503.31
  5. Step 5: Solve for x
    x = 171,932,503.31/14,770.67
  6. Step 6: Final answer
    x = 11,640.13

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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.