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Finding the Fourth Proportional to 7,153.54, 10,737.20 and 3,458.36

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Solution

The fourth proportional to 7,153.54, 10,737.20 and 3,458.36 is: 5,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.54 : 10,737.20 = 3,458.36 : x
  2. Step 2: Convert to fraction form
    7,153.54/10,737.20 = 3,458.36/x
  3. Step 3: Cross multiply
    7,153.54x = 10,737.20 × 3,458.36
  4. Step 4: Simplify right side
    7,153.54x = 37,133,138.48
  5. Step 5: Solve for x
    x = 37,133,138.48/7,153.54
  6. Step 6: Final answer
    x = 5,190.88

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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.