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Finding the Fourth Proportional to 9,611.20, 14,400.60 and 6,322.60

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Solution

The fourth proportional to 9,611.20, 14,400.60 and 6,322.60 is: 9,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.20 : 14,400.60 = 6,322.60 : x
  2. Step 2: Convert to fraction form
    9,611.20/14,400.60 = 6,322.60/x
  3. Step 3: Cross multiply
    9,611.20x = 14,400.60 × 6,322.60
  4. Step 4: Simplify right side
    9,611.20x = 91,049,233.56
  5. Step 5: Solve for x
    x = 91,049,233.56/9,611.20
  6. Step 6: Final answer
    x = 9,473.24

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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.