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Finding the Fourth Proportional to 4,879.76, 7,313.54 and 2,244.46

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Solution

The fourth proportional to 4,879.76, 7,313.54 and 2,244.46 is: 3,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.76 : 7,313.54 = 2,244.46 : x
  2. Step 2: Convert to fraction form
    4,879.76/7,313.54 = 2,244.46/x
  3. Step 3: Cross multiply
    4,879.76x = 7,313.54 × 2,244.46
  4. Step 4: Simplify right side
    4,879.76x = 16,414,911.42
  5. Step 5: Solve for x
    x = 16,414,911.42/4,879.76
  6. Step 6: Final answer
    x = 3,363.88

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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.