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Finding the Fourth Proportional to 7,896.98, 10,895.37 and 4,538.57

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Solution

The fourth proportional to 7,896.98, 10,895.37 and 4,538.57 is: 6,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.98 : 10,895.37 = 4,538.57 : x
  2. Step 2: Convert to fraction form
    7,896.98/10,895.37 = 4,538.57/x
  3. Step 3: Cross multiply
    7,896.98x = 10,895.37 × 4,538.57
  4. Step 4: Simplify right side
    7,896.98x = 49,449,399.42
  5. Step 5: Solve for x
    x = 49,449,399.42/7,896.98
  6. Step 6: Final answer
    x = 6,261.81

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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.