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Finding the Fourth Proportional to 7,107.12, 10,662.12 and 2,426.76

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Solution

The fourth proportional to 7,107.12, 10,662.12 and 2,426.76 is: 3,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.12 : 10,662.12 = 2,426.76 : x
  2. Step 2: Convert to fraction form
    7,107.12/10,662.12 = 2,426.76/x
  3. Step 3: Cross multiply
    7,107.12x = 10,662.12 × 2,426.76
  4. Step 4: Simplify right side
    7,107.12x = 25,874,406.33
  5. Step 5: Solve for x
    x = 25,874,406.33/7,107.12
  6. Step 6: Final answer
    x = 3,640.63

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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.