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Finding the Fourth Proportional to 2,773.32, 3,824.46 and 2,353.20

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Solution

The fourth proportional to 2,773.32, 3,824.46 and 2,353.20 is: 3,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.32 : 3,824.46 = 2,353.20 : x
  2. Step 2: Convert to fraction form
    2,773.32/3,824.46 = 2,353.20/x
  3. Step 3: Cross multiply
    2,773.32x = 3,824.46 × 2,353.20
  4. Step 4: Simplify right side
    2,773.32x = 8,999,719.27
  5. Step 5: Solve for x
    x = 8,999,719.27/2,773.32
  6. Step 6: Final answer
    x = 3,245.11

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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.