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Finding the Fourth Proportional to 3,573.21, 4,927.42 and 2,755.14

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Solution

The fourth proportional to 3,573.21, 4,927.42 and 2,755.14 is: 3,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.21 : 4,927.42 = 2,755.14 : x
  2. Step 2: Convert to fraction form
    3,573.21/4,927.42 = 2,755.14/x
  3. Step 3: Cross multiply
    3,573.21x = 4,927.42 × 2,755.14
  4. Step 4: Simplify right side
    3,573.21x = 13,575,716.90
  5. Step 5: Solve for x
    x = 13,575,716.90/3,573.21
  6. Step 6: Final answer
    x = 3,799.31

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1.5x scale

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.