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Finding the Fourth Proportional to 17,105.12, 25,660.86 and 6,574.71

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Solution

The fourth proportional to 17,105.12, 25,660.86 and 6,574.71 is: 9,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,105.12 : 25,660.86 = 6,574.71 : x
  2. Step 2: Convert to fraction form
    17,105.12/25,660.86 = 6,574.71/x
  3. Step 3: Cross multiply
    17,105.12x = 25,660.86 × 6,574.71
  4. Step 4: Simplify right side
    17,105.12x = 168,712,679.98
  5. Step 5: Solve for x
    x = 168,712,679.98/17,105.12
  6. Step 6: Final answer
    x = 9,863.29

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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.