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Finding the Fourth Proportional to 5,334.59, 7,361.42 and 2,976.59

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Solution

The fourth proportional to 5,334.59, 7,361.42 and 2,976.59 is: 4,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.59 : 7,361.42 = 2,976.59 : x
  2. Step 2: Convert to fraction form
    5,334.59/7,361.42 = 2,976.59/x
  3. Step 3: Cross multiply
    5,334.59x = 7,361.42 × 2,976.59
  4. Step 4: Simplify right side
    5,334.59x = 21,911,877.47
  5. Step 5: Solve for x
    x = 21,911,877.47/5,334.59
  6. Step 6: Final answer
    x = 4,107.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.