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Finding the Fourth Proportional to 1,716.73, 2,571.37 and 934.47

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Solution

The fourth proportional to 1,716.73, 2,571.37 and 934.47 is: 1,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.73 : 2,571.37 = 934.47 : x
  2. Step 2: Convert to fraction form
    1,716.73/2,571.37 = 934.47/x
  3. Step 3: Cross multiply
    1,716.73x = 2,571.37 × 934.47
  4. Step 4: Simplify right side
    1,716.73x = 2,402,868.12
  5. Step 5: Solve for x
    x = 2,402,868.12/1,716.73
  6. Step 6: Final answer
    x = 1,399.68

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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.