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Finding the Fourth Proportional to 17,399.40, 26,102.65 and 7,404.13

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Solution

The fourth proportional to 17,399.40, 26,102.65 and 7,404.13 is: 11,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.40 : 26,102.65 = 7,404.13 : x
  2. Step 2: Convert to fraction form
    17,399.40/26,102.65 = 7,404.13/x
  3. Step 3: Cross multiply
    17,399.40x = 26,102.65 × 7,404.13
  4. Step 4: Simplify right side
    17,399.40x = 193,267,413.94
  5. Step 5: Solve for x
    x = 193,267,413.94/17,399.40
  6. Step 6: Final answer
    x = 11,107.71

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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.