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Finding the Fourth Proportional to 17,897.16, 26,835.14 and 5,413.40

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Solution

The fourth proportional to 17,897.16, 26,835.14 and 5,413.40 is: 8,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.16 : 26,835.14 = 5,413.40 : x
  2. Step 2: Convert to fraction form
    17,897.16/26,835.14 = 5,413.40/x
  3. Step 3: Cross multiply
    17,897.16x = 26,835.14 × 5,413.40
  4. Step 4: Simplify right side
    17,897.16x = 145,269,346.88
  5. Step 5: Solve for x
    x = 145,269,346.88/17,897.16
  6. Step 6: Final answer
    x = 8,116.89

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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.