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Finding the Fourth Proportional to 2,845.56, 4,269.56 and 897.92

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Solution

The fourth proportional to 2,845.56, 4,269.56 and 897.92 is: 1,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.56 : 4,269.56 = 897.92 : x
  2. Step 2: Convert to fraction form
    2,845.56/4,269.56 = 897.92/x
  3. Step 3: Cross multiply
    2,845.56x = 4,269.56 × 897.92
  4. Step 4: Simplify right side
    2,845.56x = 3,833,723.32
  5. Step 5: Solve for x
    x = 3,833,723.32/2,845.56
  6. Step 6: Final answer
    x = 1,347.26

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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.