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Finding the Fourth Proportional to 22,662.64, 33,993.96 and 7,080.40

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Solution

The fourth proportional to 22,662.64, 33,993.96 and 7,080.40 is: 10,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.64 : 33,993.96 = 7,080.40 : x
  2. Step 2: Convert to fraction form
    22,662.64/33,993.96 = 7,080.40/x
  3. Step 3: Cross multiply
    22,662.64x = 33,993.96 × 7,080.40
  4. Step 4: Simplify right side
    22,662.64x = 240,690,834.38
  5. Step 5: Solve for x
    x = 240,690,834.38/22,662.64
  6. Step 6: Final answer
    x = 10,620.60

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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.