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Finding the Fourth Proportional to 1,954.82, 2,932.67 and 656.25

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Solution

The fourth proportional to 1,954.82, 2,932.67 and 656.25 is: 984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.82 : 2,932.67 = 656.25 : x
  2. Step 2: Convert to fraction form
    1,954.82/2,932.67 = 656.25/x
  3. Step 3: Cross multiply
    1,954.82x = 2,932.67 × 656.25
  4. Step 4: Simplify right side
    1,954.82x = 1,924,561.41
  5. Step 5: Solve for x
    x = 1,924,561.41/1,954.82
  6. Step 6: Final answer
    x = 984.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.