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Finding the Fourth Proportional to 17,154.56, 25,713.12 and 6,754.88

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Solution

The fourth proportional to 17,154.56, 25,713.12 and 6,754.88 is: 10,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.56 : 25,713.12 = 6,754.88 : x
  2. Step 2: Convert to fraction form
    17,154.56/25,713.12 = 6,754.88/x
  3. Step 3: Cross multiply
    17,154.56x = 25,713.12 × 6,754.88
  4. Step 4: Simplify right side
    17,154.56x = 173,689,040.03
  5. Step 5: Solve for x
    x = 173,689,040.03/17,154.56
  6. Step 6: Final answer
    x = 10,124.95

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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.