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Finding the Fourth Proportional to 5,562.64, 7,674.44 and 3,204.32

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Solution

The fourth proportional to 5,562.64, 7,674.44 and 3,204.32 is: 4,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.64 : 7,674.44 = 3,204.32 : x
  2. Step 2: Convert to fraction form
    5,562.64/7,674.44 = 3,204.32/x
  3. Step 3: Cross multiply
    5,562.64x = 7,674.44 × 3,204.32
  4. Step 4: Simplify right side
    5,562.64x = 24,591,361.58
  5. Step 5: Solve for x
    x = 24,591,361.58/5,562.64
  6. Step 6: Final answer
    x = 4,420.81

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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.