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Finding the Fourth Proportional to 17,397.09, 26,098.88 and 7,910.10

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Solution

The fourth proportional to 17,397.09, 26,098.88 and 7,910.10 is: 11,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.09 : 26,098.88 = 7,910.10 : x
  2. Step 2: Convert to fraction form
    17,397.09/26,098.88 = 7,910.10/x
  3. Step 3: Cross multiply
    17,397.09x = 26,098.88 × 7,910.10
  4. Step 4: Simplify right side
    17,397.09x = 206,444,750.69
  5. Step 5: Solve for x
    x = 206,444,750.69/17,397.09
  6. Step 6: Final answer
    x = 11,866.63

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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.