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Finding the Fourth Proportional to 16,611.02, 22,922.90 and 9,057.68

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Solution

The fourth proportional to 16,611.02, 22,922.90 and 9,057.68 is: 12,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.02 : 22,922.90 = 9,057.68 : x
  2. Step 2: Convert to fraction form
    16,611.02/22,922.90 = 9,057.68/x
  3. Step 3: Cross multiply
    16,611.02x = 22,922.90 × 9,057.68
  4. Step 4: Simplify right side
    16,611.02x = 207,628,292.87
  5. Step 5: Solve for x
    x = 207,628,292.87/16,611.02
  6. Step 6: Final answer
    x = 12,499.43

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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.