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Finding the Fourth Proportional to 3,330.37, 4,991.37 and 1,575.37

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Solution

The fourth proportional to 3,330.37, 4,991.37 and 1,575.37 is: 2,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.37 : 4,991.37 = 1,575.37 : x
  2. Step 2: Convert to fraction form
    3,330.37/4,991.37 = 1,575.37/x
  3. Step 3: Cross multiply
    3,330.37x = 4,991.37 × 1,575.37
  4. Step 4: Simplify right side
    3,330.37x = 7,863,254.56
  5. Step 5: Solve for x
    x = 7,863,254.56/3,330.37
  6. Step 6: Final answer
    x = 2,361.08

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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.