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Finding the Fourth Proportional to 4,898.72, 7,348.99 and 1,611.94

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Solution

The fourth proportional to 4,898.72, 7,348.99 and 1,611.94 is: 2,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.72 : 7,348.99 = 1,611.94 : x
  2. Step 2: Convert to fraction form
    4,898.72/7,348.99 = 1,611.94/x
  3. Step 3: Cross multiply
    4,898.72x = 7,348.99 × 1,611.94
  4. Step 4: Simplify right side
    4,898.72x = 11,846,130.94
  5. Step 5: Solve for x
    x = 11,846,130.94/4,898.72
  6. Step 6: Final answer
    x = 2,418.21

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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.