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Finding the Fourth Proportional to 4,493.72, 6,735.66 and 1,719.18

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Solution

The fourth proportional to 4,493.72, 6,735.66 and 1,719.18 is: 2,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.72 : 6,735.66 = 1,719.18 : x
  2. Step 2: Convert to fraction form
    4,493.72/6,735.66 = 1,719.18/x
  3. Step 3: Cross multiply
    4,493.72x = 6,735.66 × 1,719.18
  4. Step 4: Simplify right side
    4,493.72x = 11,579,811.96
  5. Step 5: Solve for x
    x = 11,579,811.96/4,493.72
  6. Step 6: Final answer
    x = 2,576.89

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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.