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Finding the Fourth Proportional to 5,510.42, 7,604.55 and 3,153.32

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Solution

The fourth proportional to 5,510.42, 7,604.55 and 3,153.32 is: 4,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.42 : 7,604.55 = 3,153.32 : x
  2. Step 2: Convert to fraction form
    5,510.42/7,604.55 = 3,153.32/x
  3. Step 3: Cross multiply
    5,510.42x = 7,604.55 × 3,153.32
  4. Step 4: Simplify right side
    5,510.42x = 23,979,579.61
  5. Step 5: Solve for x
    x = 23,979,579.61/5,510.42
  6. Step 6: Final answer
    x = 4,351.68

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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.