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Finding the Fourth Proportional to 17,162.28, 25,710.08 and 12,651.14

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Solution

The fourth proportional to 17,162.28, 25,710.08 and 12,651.14 is: 18,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.28 : 25,710.08 = 12,651.14 : x
  2. Step 2: Convert to fraction form
    17,162.28/25,710.08 = 12,651.14/x
  3. Step 3: Cross multiply
    17,162.28x = 25,710.08 × 12,651.14
  4. Step 4: Simplify right side
    17,162.28x = 325,261,821.49
  5. Step 5: Solve for x
    x = 325,261,821.49/17,162.28
  6. Step 6: Final answer
    x = 18,952.13

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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.