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Finding the Fourth Proportional to 17,151.47, 25,770.27 and 10,914.20

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Solution

The fourth proportional to 17,151.47, 25,770.27 and 10,914.20 is: 16,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.47 : 25,770.27 = 10,914.20 : x
  2. Step 2: Convert to fraction form
    17,151.47/25,770.27 = 10,914.20/x
  3. Step 3: Cross multiply
    17,151.47x = 25,770.27 × 10,914.20
  4. Step 4: Simplify right side
    17,151.47x = 281,261,880.83
  5. Step 5: Solve for x
    x = 281,261,880.83/17,151.47
  6. Step 6: Final answer
    x = 16,398.70

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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.