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Finding the Fourth Proportional to 9,611.71, 14,422.17 and 5,229.16

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Solution

The fourth proportional to 9,611.71, 14,422.17 and 5,229.16 is: 7,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.71 : 14,422.17 = 5,229.16 : x
  2. Step 2: Convert to fraction form
    9,611.71/14,422.17 = 5,229.16/x
  3. Step 3: Cross multiply
    9,611.71x = 14,422.17 × 5,229.16
  4. Step 4: Simplify right side
    9,611.71x = 75,415,847.55
  5. Step 5: Solve for x
    x = 75,415,847.55/9,611.71
  6. Step 6: Final answer
    x = 7,846.25

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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.