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Finding the Fourth Proportional to 2,951.93, 4,429.09 and 1,103.57

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Solution

The fourth proportional to 2,951.93, 4,429.09 and 1,103.57 is: 1,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.93 : 4,429.09 = 1,103.57 : x
  2. Step 2: Convert to fraction form
    2,951.93/4,429.09 = 1,103.57/x
  3. Step 3: Cross multiply
    2,951.93x = 4,429.09 × 1,103.57
  4. Step 4: Simplify right side
    2,951.93x = 4,887,805.33
  5. Step 5: Solve for x
    x = 4,887,805.33/2,951.93
  6. Step 6: Final answer
    x = 1,655.80

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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.