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Finding the Fourth Proportional to 17,398.68, 26,098.20 and 7,008

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Solution

The fourth proportional to 17,398.68, 26,098.20 and 7,008 is: 10,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.68 : 26,098.20 = 7,008 : x
  2. Step 2: Convert to fraction form
    17,398.68/26,098.20 = 7,008/x
  3. Step 3: Cross multiply
    17,398.68x = 26,098.20 × 7,008
  4. Step 4: Simplify right side
    17,398.68x = 182,896,185.60
  5. Step 5: Solve for x
    x = 182,896,185.60/17,398.68
  6. Step 6: Final answer
    x = 10,512.07

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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.