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Finding the Fourth Proportional to 1,520.06, 2,098.71 and 996.98

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Solution

The fourth proportional to 1,520.06, 2,098.71 and 996.98 is: 1,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.06 : 2,098.71 = 996.98 : x
  2. Step 2: Convert to fraction form
    1,520.06/2,098.71 = 996.98/x
  3. Step 3: Cross multiply
    1,520.06x = 2,098.71 × 996.98
  4. Step 4: Simplify right side
    1,520.06x = 2,092,371.90
  5. Step 5: Solve for x
    x = 2,092,371.90/1,520.06
  6. Step 6: Final answer
    x = 1,376.51

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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.