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Finding the Fourth Proportional to 17,309.19, 25,926.12 and 11,379.39

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Solution

The fourth proportional to 17,309.19, 25,926.12 and 11,379.39 is: 17,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.19 : 25,926.12 = 11,379.39 : x
  2. Step 2: Convert to fraction form
    17,309.19/25,926.12 = 11,379.39/x
  3. Step 3: Cross multiply
    17,309.19x = 25,926.12 × 11,379.39
  4. Step 4: Simplify right side
    17,309.19x = 295,023,343.71
  5. Step 5: Solve for x
    x = 295,023,343.71/17,309.19
  6. Step 6: Final answer
    x = 17,044.32

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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.