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Finding the Fourth Proportional to 4,775.37, 7,163.13 and 1,655.47

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Solution

The fourth proportional to 4,775.37, 7,163.13 and 1,655.47 is: 2,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.37 : 7,163.13 = 1,655.47 : x
  2. Step 2: Convert to fraction form
    4,775.37/7,163.13 = 1,655.47/x
  3. Step 3: Cross multiply
    4,775.37x = 7,163.13 × 1,655.47
  4. Step 4: Simplify right side
    4,775.37x = 11,858,361.98
  5. Step 5: Solve for x
    x = 11,858,361.98/4,775.37
  6. Step 6: Final answer
    x = 2,483.24

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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.