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Finding the Fourth Proportional to 17,993.66, 26,992.28 and 5,513.54

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Solution

The fourth proportional to 17,993.66, 26,992.28 and 5,513.54 is: 8,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.66 : 26,992.28 = 5,513.54 : x
  2. Step 2: Convert to fraction form
    17,993.66/26,992.28 = 5,513.54/x
  3. Step 3: Cross multiply
    17,993.66x = 26,992.28 × 5,513.54
  4. Step 4: Simplify right side
    17,993.66x = 148,822,894.29
  5. Step 5: Solve for x
    x = 148,822,894.29/17,993.66
  6. Step 6: Final answer
    x = 8,270.85

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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.