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Finding the Fourth Proportional to 3,571.88, 5,352.94 and 2,693.64

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Solution

The fourth proportional to 3,571.88, 5,352.94 and 2,693.64 is: 4,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.88 : 5,352.94 = 2,693.64 : x
  2. Step 2: Convert to fraction form
    3,571.88/5,352.94 = 2,693.64/x
  3. Step 3: Cross multiply
    3,571.88x = 5,352.94 × 2,693.64
  4. Step 4: Simplify right side
    3,571.88x = 14,418,893.30
  5. Step 5: Solve for x
    x = 14,418,893.30/3,571.88
  6. Step 6: Final answer
    x = 4,036.78

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1.5x scale

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.