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Finding the Fourth Proportional to 16,611.21, 22,923.35 and 9,057.56

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Solution

The fourth proportional to 16,611.21, 22,923.35 and 9,057.56 is: 12,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.21 : 22,923.35 = 9,057.56 : x
  2. Step 2: Convert to fraction form
    16,611.21/22,923.35 = 9,057.56/x
  3. Step 3: Cross multiply
    16,611.21x = 22,923.35 × 9,057.56
  4. Step 4: Simplify right side
    16,611.21x = 207,629,543.04
  5. Step 5: Solve for x
    x = 207,629,543.04/16,611.21
  6. Step 6: Final answer
    x = 12,499.36

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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.