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Finding the Fourth Proportional to 22,073.70, 33,098.40 and 8,911.20

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Solution

The fourth proportional to 22,073.70, 33,098.40 and 8,911.20 is: 13,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,073.70 : 33,098.40 = 8,911.20 : x
  2. Step 2: Convert to fraction form
    22,073.70/33,098.40 = 8,911.20/x
  3. Step 3: Cross multiply
    22,073.70x = 33,098.40 × 8,911.20
  4. Step 4: Simplify right side
    22,073.70x = 294,946,462.08
  5. Step 5: Solve for x
    x = 294,946,462.08/22,073.70
  6. Step 6: Final answer
    x = 13,361.90

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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.