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Finding the Fourth Proportional to 22,793.40, 31,419.90 and 16,059.87

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Solution

The fourth proportional to 22,793.40, 31,419.90 and 16,059.87 is: 22,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.40 : 31,419.90 = 16,059.87 : x
  2. Step 2: Convert to fraction form
    22,793.40/31,419.90 = 16,059.87/x
  3. Step 3: Cross multiply
    22,793.40x = 31,419.90 × 16,059.87
  4. Step 4: Simplify right side
    22,793.40x = 504,599,509.41
  5. Step 5: Solve for x
    x = 504,599,509.41/22,793.40
  6. Step 6: Final answer
    x = 22,137.97

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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.