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Finding the Fourth Proportional to 4,737.89, 7,099.00 and 2,883.40

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Solution

The fourth proportional to 4,737.89, 7,099.00 and 2,883.40 is: 4,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.89 : 7,099.00 = 2,883.40 : x
  2. Step 2: Convert to fraction form
    4,737.89/7,099.00 = 2,883.40/x
  3. Step 3: Cross multiply
    4,737.89x = 7,099.00 × 2,883.40
  4. Step 4: Simplify right side
    4,737.89x = 20,469,231.64
  5. Step 5: Solve for x
    x = 20,469,231.64/4,737.89
  6. Step 6: Final answer
    x = 4,320.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.