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Finding the Fourth Proportional to 17,263.94, 25,864.56 and 7,911.74

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Solution

The fourth proportional to 17,263.94, 25,864.56 and 7,911.74 is: 11,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.94 : 25,864.56 = 7,911.74 : x
  2. Step 2: Convert to fraction form
    17,263.94/25,864.56 = 7,911.74/x
  3. Step 3: Cross multiply
    17,263.94x = 25,864.56 × 7,911.74
  4. Step 4: Simplify right side
    17,263.94x = 204,633,673.93
  5. Step 5: Solve for x
    x = 204,633,673.93/17,263.94
  6. Step 6: Final answer
    x = 11,853.24

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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.