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Finding the Fourth Proportional to 17,911.07, 26,867.13 and 8,552.07

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Solution

The fourth proportional to 17,911.07, 26,867.13 and 8,552.07 is: 12,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.07 : 26,867.13 = 8,552.07 : x
  2. Step 2: Convert to fraction form
    17,911.07/26,867.13 = 8,552.07/x
  3. Step 3: Cross multiply
    17,911.07x = 26,867.13 × 8,552.07
  4. Step 4: Simplify right side
    17,911.07x = 229,769,576.46
  5. Step 5: Solve for x
    x = 229,769,576.46/17,911.07
  6. Step 6: Final answer
    x = 12,828.36

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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.