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Finding the Fourth Proportional to 3,573.25, 5,368.11 and 3,425.63

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Solution

The fourth proportional to 3,573.25, 5,368.11 and 3,425.63 is: 5,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.25 : 5,368.11 = 3,425.63 : x
  2. Step 2: Convert to fraction form
    3,573.25/5,368.11 = 3,425.63/x
  3. Step 3: Cross multiply
    3,573.25x = 5,368.11 × 3,425.63
  4. Step 4: Simplify right side
    3,573.25x = 18,389,118.97
  5. Step 5: Solve for x
    x = 18,389,118.97/3,573.25
  6. Step 6: Final answer
    x = 5,146.33

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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.