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Finding the Fourth Proportional to 1,716.15, 2,573.31 and 850.47

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Solution

The fourth proportional to 1,716.15, 2,573.31 and 850.47 is: 1,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.15 : 2,573.31 = 850.47 : x
  2. Step 2: Convert to fraction form
    1,716.15/2,573.31 = 850.47/x
  3. Step 3: Cross multiply
    1,716.15x = 2,573.31 × 850.47
  4. Step 4: Simplify right side
    1,716.15x = 2,188,522.96
  5. Step 5: Solve for x
    x = 2,188,522.96/1,716.15
  6. Step 6: Final answer
    x = 1,275.25

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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.