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Finding the Fourth Proportional to 3,570.02, 5,361.52 and 2,922.02

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Solution

The fourth proportional to 3,570.02, 5,361.52 and 2,922.02 is: 4,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.02 : 5,361.52 = 2,922.02 : x
  2. Step 2: Convert to fraction form
    3,570.02/5,361.52 = 2,922.02/x
  3. Step 3: Cross multiply
    3,570.02x = 5,361.52 × 2,922.02
  4. Step 4: Simplify right side
    3,570.02x = 15,666,468.67
  5. Step 5: Solve for x
    x = 15,666,468.67/3,570.02
  6. Step 6: Final answer
    x = 4,388.34

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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.