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Finding the Fourth Proportional to 17,180.66, 25,770.71 and 16,756.62

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Solution

The fourth proportional to 17,180.66, 25,770.71 and 16,756.62 is: 25,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.66 : 25,770.71 = 16,756.62 : x
  2. Step 2: Convert to fraction form
    17,180.66/25,770.71 = 16,756.62/x
  3. Step 3: Cross multiply
    17,180.66x = 25,770.71 × 16,756.62
  4. Step 4: Simplify right side
    17,180.66x = 431,829,990.56
  5. Step 5: Solve for x
    x = 431,829,990.56/17,180.66
  6. Step 6: Final answer
    x = 25,134.66

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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.