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Finding the Fourth Proportional to 3,152.01, 4,728 and 960.75

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Solution

The fourth proportional to 3,152.01, 4,728 and 960.75 is: 1,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.01 : 4,728 = 960.75 : x
  2. Step 2: Convert to fraction form
    3,152.01/4,728 = 960.75/x
  3. Step 3: Cross multiply
    3,152.01x = 4,728 × 960.75
  4. Step 4: Simplify right side
    3,152.01x = 4,542,426
  5. Step 5: Solve for x
    x = 4,542,426/3,152.01
  6. Step 6: Final answer
    x = 1,441.12

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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.