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Finding the Fourth Proportional to 1,758.28, 2,634.54 and 935.68

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Solution

The fourth proportional to 1,758.28, 2,634.54 and 935.68 is: 1,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.28 : 2,634.54 = 935.68 : x
  2. Step 2: Convert to fraction form
    1,758.28/2,634.54 = 935.68/x
  3. Step 3: Cross multiply
    1,758.28x = 2,634.54 × 935.68
  4. Step 4: Simplify right side
    1,758.28x = 2,465,086.39
  5. Step 5: Solve for x
    x = 2,465,086.39/1,758.28
  6. Step 6: Final answer
    x = 1,401.99

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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.