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Finding the Fourth Proportional to 17,127.68, 25,694.88 and 7,266.88

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Solution

The fourth proportional to 17,127.68, 25,694.88 and 7,266.88 is: 10,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.68 : 25,694.88 = 7,266.88 : x
  2. Step 2: Convert to fraction form
    17,127.68/25,694.88 = 7,266.88/x
  3. Step 3: Cross multiply
    17,127.68x = 25,694.88 × 7,266.88
  4. Step 4: Simplify right side
    17,127.68x = 186,721,609.57
  5. Step 5: Solve for x
    x = 186,721,609.57/17,127.68
  6. Step 6: Final answer
    x = 10,901.75

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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.