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Finding the Fourth Proportional to 1,609.66, 2,416.11 and 1,175.50

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Solution

The fourth proportional to 1,609.66, 2,416.11 and 1,175.50 is: 1,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.66 : 2,416.11 = 1,175.50 : x
  2. Step 2: Convert to fraction form
    1,609.66/2,416.11 = 1,175.50/x
  3. Step 3: Cross multiply
    1,609.66x = 2,416.11 × 1,175.50
  4. Step 4: Simplify right side
    1,609.66x = 2,840,137.31
  5. Step 5: Solve for x
    x = 2,840,137.31/1,609.66
  6. Step 6: Final answer
    x = 1,764.43

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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.