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Finding the Fourth Proportional to 17,098.70, 25,645.65 and 5,413.10

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Solution

The fourth proportional to 17,098.70, 25,645.65 and 5,413.10 is: 8,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098.70 : 25,645.65 = 5,413.10 : x
  2. Step 2: Convert to fraction form
    17,098.70/25,645.65 = 5,413.10/x
  3. Step 3: Cross multiply
    17,098.70x = 25,645.65 × 5,413.10
  4. Step 4: Simplify right side
    17,098.70x = 138,822,468.02
  5. Step 5: Solve for x
    x = 138,822,468.02/17,098.70
  6. Step 6: Final answer
    x = 8,118.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.