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Finding the Fourth Proportional to 2,793.76, 4,190.32 and 944.88

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Solution

The fourth proportional to 2,793.76, 4,190.32 and 944.88 is: 1,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.76 : 4,190.32 = 944.88 : x
  2. Step 2: Convert to fraction form
    2,793.76/4,190.32 = 944.88/x
  3. Step 3: Cross multiply
    2,793.76x = 4,190.32 × 944.88
  4. Step 4: Simplify right side
    2,793.76x = 3,959,349.56
  5. Step 5: Solve for x
    x = 3,959,349.56/2,793.76
  6. Step 6: Final answer
    x = 1,417.21

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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.