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Finding the Fourth Proportional to 17,993.01, 26,989.41 and 5,512.83

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Solution

The fourth proportional to 17,993.01, 26,989.41 and 5,512.83 is: 8,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.01 : 26,989.41 = 5,512.83 : x
  2. Step 2: Convert to fraction form
    17,993.01/26,989.41 = 5,512.83/x
  3. Step 3: Cross multiply
    17,993.01x = 26,989.41 × 5,512.83
  4. Step 4: Simplify right side
    17,993.01x = 148,788,029.13
  5. Step 5: Solve for x
    x = 148,788,029.13/17,993.01
  6. Step 6: Final answer
    x = 8,269.21

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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.