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Finding the Fourth Proportional to 4,775.00, 7,163.33 and 1,487.97

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Solution

The fourth proportional to 4,775.00, 7,163.33 and 1,487.97 is: 2,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.00 : 7,163.33 = 1,487.97 : x
  2. Step 2: Convert to fraction form
    4,775.00/7,163.33 = 1,487.97/x
  3. Step 3: Cross multiply
    4,775.00x = 7,163.33 × 1,487.97
  4. Step 4: Simplify right side
    4,775.00x = 10,658,812.70
  5. Step 5: Solve for x
    x = 10,658,812.70/4,775.00
  6. Step 6: Final answer
    x = 2,232.21

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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.