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Finding the Fourth Proportional to 17,608.16, 26,413.08 and 4,460.64

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Solution

The fourth proportional to 17,608.16, 26,413.08 and 4,460.64 is: 6,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.16 : 26,413.08 = 4,460.64 : x
  2. Step 2: Convert to fraction form
    17,608.16/26,413.08 = 4,460.64/x
  3. Step 3: Cross multiply
    17,608.16x = 26,413.08 × 4,460.64
  4. Step 4: Simplify right side
    17,608.16x = 117,819,241.17
  5. Step 5: Solve for x
    x = 117,819,241.17/17,608.16
  6. Step 6: Final answer
    x = 6,691.17

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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.