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Finding the Fourth Proportional to 8,064.44, 11,129.94 and 4,527.64

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Solution

The fourth proportional to 8,064.44, 11,129.94 and 4,527.64 is: 6,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.44 : 11,129.94 = 4,527.64 : x
  2. Step 2: Convert to fraction form
    8,064.44/11,129.94 = 4,527.64/x
  3. Step 3: Cross multiply
    8,064.44x = 11,129.94 × 4,527.64
  4. Step 4: Simplify right side
    8,064.44x = 50,392,361.54
  5. Step 5: Solve for x
    x = 50,392,361.54/8,064.44
  6. Step 6: Final answer
    x = 6,248.71

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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.