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Finding the Fourth Proportional to 4,611.92, 6,918.48 and 1,649.48

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Solution

The fourth proportional to 4,611.92, 6,918.48 and 1,649.48 is: 2,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.92 : 6,918.48 = 1,649.48 : x
  2. Step 2: Convert to fraction form
    4,611.92/6,918.48 = 1,649.48/x
  3. Step 3: Cross multiply
    4,611.92x = 6,918.48 × 1,649.48
  4. Step 4: Simplify right side
    4,611.92x = 11,411,859.80
  5. Step 5: Solve for x
    x = 11,411,859.80/4,611.92
  6. Step 6: Final answer
    x = 2,474.43

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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.