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Finding the Fourth Proportional to 3,152.24, 4,728.36 and 960.92

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Solution

The fourth proportional to 3,152.24, 4,728.36 and 960.92 is: 1,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.24 : 4,728.36 = 960.92 : x
  2. Step 2: Convert to fraction form
    3,152.24/4,728.36 = 960.92/x
  3. Step 3: Cross multiply
    3,152.24x = 4,728.36 × 960.92
  4. Step 4: Simplify right side
    3,152.24x = 4,543,575.69
  5. Step 5: Solve for x
    x = 4,543,575.69/3,152.24
  6. Step 6: Final answer
    x = 1,441.38

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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.