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Finding the Fourth Proportional to 2,890.54, 4,342.74 and 2,733.22

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Solution

The fourth proportional to 2,890.54, 4,342.74 and 2,733.22 is: 4,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.54 : 4,342.74 = 2,733.22 : x
  2. Step 2: Convert to fraction form
    2,890.54/4,342.74 = 2,733.22/x
  3. Step 3: Cross multiply
    2,890.54x = 4,342.74 × 2,733.22
  4. Step 4: Simplify right side
    2,890.54x = 11,869,663.82
  5. Step 5: Solve for x
    x = 11,869,663.82/2,890.54
  6. Step 6: Final answer
    x = 4,106.38

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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.