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Finding the Fourth Proportional to 22,009.80, 32,949.90 and 14,622.60

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Solution

The fourth proportional to 22,009.80, 32,949.90 and 14,622.60 is: 21,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.80 : 32,949.90 = 14,622.60 : x
  2. Step 2: Convert to fraction form
    22,009.80/32,949.90 = 14,622.60/x
  3. Step 3: Cross multiply
    22,009.80x = 32,949.90 × 14,622.60
  4. Step 4: Simplify right side
    22,009.80x = 481,813,207.74
  5. Step 5: Solve for x
    x = 481,813,207.74/22,009.80
  6. Step 6: Final answer
    x = 21,890.85

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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.