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Finding the Fourth Proportional to 949.08, 1,310.24 and 793.56

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Solution

The fourth proportional to 949.08, 1,310.24 and 793.56 is: 1,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.08 : 1,310.24 = 793.56 : x
  2. Step 2: Convert to fraction form
    949.08/1,310.24 = 793.56/x
  3. Step 3: Cross multiply
    949.08x = 1,310.24 × 793.56
  4. Step 4: Simplify right side
    949.08x = 1,039,754.05
  5. Step 5: Solve for x
    x = 1,039,754.05/949.08
  6. Step 6: Final answer
    x = 1,095.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.