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Finding the Fourth Proportional to 1,394.66, 2,092.32 and 984.59

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Solution

The fourth proportional to 1,394.66, 2,092.32 and 984.59 is: 1,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.66 : 2,092.32 = 984.59 : x
  2. Step 2: Convert to fraction form
    1,394.66/2,092.32 = 984.59/x
  3. Step 3: Cross multiply
    1,394.66x = 2,092.32 × 984.59
  4. Step 4: Simplify right side
    1,394.66x = 2,060,066.89
  5. Step 5: Solve for x
    x = 2,060,066.89/1,394.66
  6. Step 6: Final answer
    x = 1,477.12

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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.