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Finding the Fourth Proportional to 3,539.88, 5,308.74 and 2,844.90

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Solution

The fourth proportional to 3,539.88, 5,308.74 and 2,844.90 is: 4,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.88 : 5,308.74 = 2,844.90 : x
  2. Step 2: Convert to fraction form
    3,539.88/5,308.74 = 2,844.90/x
  3. Step 3: Cross multiply
    3,539.88x = 5,308.74 × 2,844.90
  4. Step 4: Simplify right side
    3,539.88x = 15,102,834.43
  5. Step 5: Solve for x
    x = 15,102,834.43/3,539.88
  6. Step 6: Final answer
    x = 4,266.48

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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.