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Finding the Fourth Proportional to 17,413.75, 24,030.98 and 9,961.75

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Solution

The fourth proportional to 17,413.75, 24,030.98 and 9,961.75 is: 13,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.75 : 24,030.98 = 9,961.75 : x
  2. Step 2: Convert to fraction form
    17,413.75/24,030.98 = 9,961.75/x
  3. Step 3: Cross multiply
    17,413.75x = 24,030.98 × 9,961.75
  4. Step 4: Simplify right side
    17,413.75x = 239,390,615.02
  5. Step 5: Solve for x
    x = 239,390,615.02/17,413.75
  6. Step 6: Final answer
    x = 13,747.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.