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Finding the Fourth Proportional to 1,707.93, 2,356.96 and 961.82

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Solution

The fourth proportional to 1,707.93, 2,356.96 and 961.82 is: 1,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.93 : 2,356.96 = 961.82 : x
  2. Step 2: Convert to fraction form
    1,707.93/2,356.96 = 961.82/x
  3. Step 3: Cross multiply
    1,707.93x = 2,356.96 × 961.82
  4. Step 4: Simplify right side
    1,707.93x = 2,266,965.01
  5. Step 5: Solve for x
    x = 2,266,965.01/1,707.93
  6. Step 6: Final answer
    x = 1,327.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.