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Finding the Fourth Proportional to 17,989.54, 26,984.14 and 10,092.04

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Solution

The fourth proportional to 17,989.54, 26,984.14 and 10,092.04 is: 15,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.54 : 26,984.14 = 10,092.04 : x
  2. Step 2: Convert to fraction form
    17,989.54/26,984.14 = 10,092.04/x
  3. Step 3: Cross multiply
    17,989.54x = 26,984.14 × 10,092.04
  4. Step 4: Simplify right side
    17,989.54x = 272,325,020.25
  5. Step 5: Solve for x
    x = 272,325,020.25/17,989.54
  6. Step 6: Final answer
    x = 15,137.96

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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.