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Finding the Fourth Proportional to 4,769.97, 7,153.75 and 2,136.00

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Solution

The fourth proportional to 4,769.97, 7,153.75 and 2,136.00 is: 3,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.97 : 7,153.75 = 2,136.00 : x
  2. Step 2: Convert to fraction form
    4,769.97/7,153.75 = 2,136.00/x
  3. Step 3: Cross multiply
    4,769.97x = 7,153.75 × 2,136.00
  4. Step 4: Simplify right side
    4,769.97x = 15,280,439.50
  5. Step 5: Solve for x
    x = 15,280,439.50/4,769.97
  6. Step 6: Final answer
    x = 3,203.47

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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.