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Finding the Fourth Proportional to 57,361.64, 79,187.86 and 35,863.34

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Solution

The fourth proportional to 57,361.64, 79,187.86 and 35,863.34 is: 49,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.64 : 79,187.86 = 35,863.34 : x
  2. Step 2: Convert to fraction form
    57,361.64/79,187.86 = 35,863.34/x
  3. Step 3: Cross multiply
    57,361.64x = 79,187.86 × 35,863.34
  4. Step 4: Simplify right side
    57,361.64x = 2,839,941,147.05
  5. Step 5: Solve for x
    x = 2,839,941,147.05/57,361.64
  6. Step 6: Final answer
    x = 49,509.41

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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.