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Finding the Fourth Proportional to 2,944.13, 4,416.16 and 752.82

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Solution

The fourth proportional to 2,944.13, 4,416.16 and 752.82 is: 1,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.13 : 4,416.16 = 752.82 : x
  2. Step 2: Convert to fraction form
    2,944.13/4,416.16 = 752.82/x
  3. Step 3: Cross multiply
    2,944.13x = 4,416.16 × 752.82
  4. Step 4: Simplify right side
    2,944.13x = 3,324,573.57
  5. Step 5: Solve for x
    x = 3,324,573.57/2,944.13
  6. Step 6: Final answer
    x = 1,129.22

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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.