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Finding the Fourth Proportional to 6,361.38, 9,529.76 and 3,579.60

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Solution

The fourth proportional to 6,361.38, 9,529.76 and 3,579.60 is: 5,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.38 : 9,529.76 = 3,579.60 : x
  2. Step 2: Convert to fraction form
    6,361.38/9,529.76 = 3,579.60/x
  3. Step 3: Cross multiply
    6,361.38x = 9,529.76 × 3,579.60
  4. Step 4: Simplify right side
    6,361.38x = 34,112,728.90
  5. Step 5: Solve for x
    x = 34,112,728.90/6,361.38
  6. Step 6: Final answer
    x = 5,362.47

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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.