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Finding the Fourth Proportional to 1,028.84, 1,417.56 and 733.64

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Solution

The fourth proportional to 1,028.84, 1,417.56 and 733.64 is: 1,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.84 : 1,417.56 = 733.64 : x
  2. Step 2: Convert to fraction form
    1,028.84/1,417.56 = 733.64/x
  3. Step 3: Cross multiply
    1,028.84x = 1,417.56 × 733.64
  4. Step 4: Simplify right side
    1,028.84x = 1,039,978.72
  5. Step 5: Solve for x
    x = 1,039,978.72/1,028.84
  6. Step 6: Final answer
    x = 1,010.83

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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.