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Finding the Fourth Proportional to 7,617.16, 11,413.50 and 5,659.48

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Solution

The fourth proportional to 7,617.16, 11,413.50 and 5,659.48 is: 8,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.16 : 11,413.50 = 5,659.48 : x
  2. Step 2: Convert to fraction form
    7,617.16/11,413.50 = 5,659.48/x
  3. Step 3: Cross multiply
    7,617.16x = 11,413.50 × 5,659.48
  4. Step 4: Simplify right side
    7,617.16x = 64,594,474.98
  5. Step 5: Solve for x
    x = 64,594,474.98/7,617.16
  6. Step 6: Final answer
    x = 8,480.13

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1.5x scale

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.