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Finding the Fourth Proportional to 17,809.29, 26,713.94 and 7,413.75

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Solution

The fourth proportional to 17,809.29, 26,713.94 and 7,413.75 is: 11,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.29 : 26,713.94 = 7,413.75 : x
  2. Step 2: Convert to fraction form
    17,809.29/26,713.94 = 7,413.75/x
  3. Step 3: Cross multiply
    17,809.29x = 26,713.94 × 7,413.75
  4. Step 4: Simplify right side
    17,809.29x = 198,050,435.61
  5. Step 5: Solve for x
    x = 198,050,435.61/17,809.29
  6. Step 6: Final answer
    x = 11,120.63

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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.