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Finding the Fourth Proportional to 9,716.82, 13,413.78 and 7,595.44

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Solution

The fourth proportional to 9,716.82, 13,413.78 and 7,595.44 is: 10,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.82 : 13,413.78 = 7,595.44 : x
  2. Step 2: Convert to fraction form
    9,716.82/13,413.78 = 7,595.44/x
  3. Step 3: Cross multiply
    9,716.82x = 13,413.78 × 7,595.44
  4. Step 4: Simplify right side
    9,716.82x = 101,883,561.16
  5. Step 5: Solve for x
    x = 101,883,561.16/9,716.82
  6. Step 6: Final answer
    x = 10,485.28

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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.