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Finding the Fourth Proportional to 3,705.66, 5,555.27 and 1,512.99

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Solution

The fourth proportional to 3,705.66, 5,555.27 and 1,512.99 is: 2,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.66 : 5,555.27 = 1,512.99 : x
  2. Step 2: Convert to fraction form
    3,705.66/5,555.27 = 1,512.99/x
  3. Step 3: Cross multiply
    3,705.66x = 5,555.27 × 1,512.99
  4. Step 4: Simplify right side
    3,705.66x = 8,405,067.96
  5. Step 5: Solve for x
    x = 8,405,067.96/3,705.66
  6. Step 6: Final answer
    x = 2,268.17

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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.