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Finding the Fourth Proportional to 7,305.38, 10,965.36 and 4,965.56

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Solution

The fourth proportional to 7,305.38, 10,965.36 and 4,965.56 is: 7,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.38 : 10,965.36 = 4,965.56 : x
  2. Step 2: Convert to fraction form
    7,305.38/10,965.36 = 4,965.56/x
  3. Step 3: Cross multiply
    7,305.38x = 10,965.36 × 4,965.56
  4. Step 4: Simplify right side
    7,305.38x = 54,449,153.00
  5. Step 5: Solve for x
    x = 54,449,153.00/7,305.38
  6. Step 6: Final answer
    x = 7,453.30

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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.