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Finding the Fourth Proportional to 4,116.69, 6,175 and 1,649.74

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Solution

The fourth proportional to 4,116.69, 6,175 and 1,649.74 is: 2,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.69 : 6,175 = 1,649.74 : x
  2. Step 2: Convert to fraction form
    4,116.69/6,175 = 1,649.74/x
  3. Step 3: Cross multiply
    4,116.69x = 6,175 × 1,649.74
  4. Step 4: Simplify right side
    4,116.69x = 10,187,144.50
  5. Step 5: Solve for x
    x = 10,187,144.50/4,116.69
  6. Step 6: Final answer
    x = 2,474.60

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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.