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Finding the Fourth Proportional to 1,947.30, 2,684.16 and 1,494.09

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Solution

The fourth proportional to 1,947.30, 2,684.16 and 1,494.09 is: 2,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.30 : 2,684.16 = 1,494.09 : x
  2. Step 2: Convert to fraction form
    1,947.30/2,684.16 = 1,494.09/x
  3. Step 3: Cross multiply
    1,947.30x = 2,684.16 × 1,494.09
  4. Step 4: Simplify right side
    1,947.30x = 4,010,376.61
  5. Step 5: Solve for x
    x = 4,010,376.61/1,947.30
  6. Step 6: Final answer
    x = 2,059.45

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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.