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Finding the Fourth Proportional to 3,558.32, 5,337.12 and 960.96

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Solution

The fourth proportional to 3,558.32, 5,337.12 and 960.96 is: 1,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.32 : 5,337.12 = 960.96 : x
  2. Step 2: Convert to fraction form
    3,558.32/5,337.12 = 960.96/x
  3. Step 3: Cross multiply
    3,558.32x = 5,337.12 × 960.96
  4. Step 4: Simplify right side
    3,558.32x = 5,128,758.84
  5. Step 5: Solve for x
    x = 5,128,758.84/3,558.32
  6. Step 6: Final answer
    x = 1,441.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.