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Finding the Fourth Proportional to 1,511.06, 2,085.01 and 950.55

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Solution

The fourth proportional to 1,511.06, 2,085.01 and 950.55 is: 1,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.06 : 2,085.01 = 950.55 : x
  2. Step 2: Convert to fraction form
    1,511.06/2,085.01 = 950.55/x
  3. Step 3: Cross multiply
    1,511.06x = 2,085.01 × 950.55
  4. Step 4: Simplify right side
    1,511.06x = 1,981,906.26
  5. Step 5: Solve for x
    x = 1,981,906.26/1,511.06
  6. Step 6: Final answer
    x = 1,311.60

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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.