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Finding the Fourth Proportional to 4,659.72, 6,986.34 and 1,737.24

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Solution

The fourth proportional to 4,659.72, 6,986.34 and 1,737.24 is: 2,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.72 : 6,986.34 = 1,737.24 : x
  2. Step 2: Convert to fraction form
    4,659.72/6,986.34 = 1,737.24/x
  3. Step 3: Cross multiply
    4,659.72x = 6,986.34 × 1,737.24
  4. Step 4: Simplify right side
    4,659.72x = 12,136,949.30
  5. Step 5: Solve for x
    x = 12,136,949.30/4,659.72
  6. Step 6: Final answer
    x = 2,604.65

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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.