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Finding the Fourth Proportional to 17,685.12, 26,532 and 5,998.44

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Solution

The fourth proportional to 17,685.12, 26,532 and 5,998.44 is: 8,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.12 : 26,532 = 5,998.44 : x
  2. Step 2: Convert to fraction form
    17,685.12/26,532 = 5,998.44/x
  3. Step 3: Cross multiply
    17,685.12x = 26,532 × 5,998.44
  4. Step 4: Simplify right side
    17,685.12x = 159,150,610.08
  5. Step 5: Solve for x
    x = 159,150,610.08/17,685.12
  6. Step 6: Final answer
    x = 8,999.13

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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.