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Finding the Fourth Proportional to 7,236.25, 10,855.67 and 2,558.98

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Solution

The fourth proportional to 7,236.25, 10,855.67 and 2,558.98 is: 3,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.25 : 10,855.67 = 2,558.98 : x
  2. Step 2: Convert to fraction form
    7,236.25/10,855.67 = 2,558.98/x
  3. Step 3: Cross multiply
    7,236.25x = 10,855.67 × 2,558.98
  4. Step 4: Simplify right side
    7,236.25x = 27,779,375.34
  5. Step 5: Solve for x
    x = 27,779,375.34/7,236.25
  6. Step 6: Final answer
    x = 3,838.92

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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.