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Finding the Fourth Proportional to 9,662.32, 13,334.22 and 5,413.70

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Solution

The fourth proportional to 9,662.32, 13,334.22 and 5,413.70 is: 7,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.32 : 13,334.22 = 5,413.70 : x
  2. Step 2: Convert to fraction form
    9,662.32/13,334.22 = 5,413.70/x
  3. Step 3: Cross multiply
    9,662.32x = 13,334.22 × 5,413.70
  4. Step 4: Simplify right side
    9,662.32x = 72,187,373.07
  5. Step 5: Solve for x
    x = 72,187,373.07/9,662.32
  6. Step 6: Final answer
    x = 7,471.02

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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.