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Finding the Fourth Proportional to 2,361.72, 3,539.08 and 1,579.04

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Solution

The fourth proportional to 2,361.72, 3,539.08 and 1,579.04 is: 2,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.72 : 3,539.08 = 1,579.04 : x
  2. Step 2: Convert to fraction form
    2,361.72/3,539.08 = 1,579.04/x
  3. Step 3: Cross multiply
    2,361.72x = 3,539.08 × 1,579.04
  4. Step 4: Simplify right side
    2,361.72x = 5,588,323.29
  5. Step 5: Solve for x
    x = 5,588,323.29/2,361.72
  6. Step 6: Final answer
    x = 2,366.21

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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.