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Finding the Fourth Proportional to 7,472.99, 11,199.67 and 3,773.18

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Solution

The fourth proportional to 7,472.99, 11,199.67 and 3,773.18 is: 5,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.99 : 11,199.67 = 3,773.18 : x
  2. Step 2: Convert to fraction form
    7,472.99/11,199.67 = 3,773.18/x
  3. Step 3: Cross multiply
    7,472.99x = 11,199.67 × 3,773.18
  4. Step 4: Simplify right side
    7,472.99x = 42,258,389.42
  5. Step 5: Solve for x
    x = 42,258,389.42/7,472.99
  6. Step 6: Final answer
    x = 5,654.81

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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.