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Finding the Fourth Proportional to 6,245.98, 9,372.21 and 4,528.78

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Solution

The fourth proportional to 6,245.98, 9,372.21 and 4,528.78 is: 6,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.98 : 9,372.21 = 4,528.78 : x
  2. Step 2: Convert to fraction form
    6,245.98/9,372.21 = 4,528.78/x
  3. Step 3: Cross multiply
    6,245.98x = 9,372.21 × 4,528.78
  4. Step 4: Simplify right side
    6,245.98x = 42,444,677.20
  5. Step 5: Solve for x
    x = 42,444,677.20/6,245.98
  6. Step 6: Final answer
    x = 6,795.52

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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.