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Finding the Fourth Proportional to 2,404.53, 3,607.20 and 761.54

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Solution

The fourth proportional to 2,404.53, 3,607.20 and 761.54 is: 1,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.53 : 3,607.20 = 761.54 : x
  2. Step 2: Convert to fraction form
    2,404.53/3,607.20 = 761.54/x
  3. Step 3: Cross multiply
    2,404.53x = 3,607.20 × 761.54
  4. Step 4: Simplify right side
    2,404.53x = 2,747,009.05
  5. Step 5: Solve for x
    x = 2,747,009.05/2,404.53
  6. Step 6: Final answer
    x = 1,142.43

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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.