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Finding the Fourth Proportional to 4,573, 6,311.46 and 2,709.64

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Solution

The fourth proportional to 4,573, 6,311.46 and 2,709.64 is: 3,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573 : 6,311.46 = 2,709.64 : x
  2. Step 2: Convert to fraction form
    4,573/6,311.46 = 2,709.64/x
  3. Step 3: Cross multiply
    4,573x = 6,311.46 × 2,709.64
  4. Step 4: Simplify right side
    4,573x = 17,101,784.47
  5. Step 5: Solve for x
    x = 17,101,784.47/4,573
  6. Step 6: Final answer
    x = 3,739.73

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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.