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Finding the Fourth Proportional to 3,309.95, 4,968.57 and 2,796.30

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Solution

The fourth proportional to 3,309.95, 4,968.57 and 2,796.30 is: 4,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.95 : 4,968.57 = 2,796.30 : x
  2. Step 2: Convert to fraction form
    3,309.95/4,968.57 = 2,796.30/x
  3. Step 3: Cross multiply
    3,309.95x = 4,968.57 × 2,796.30
  4. Step 4: Simplify right side
    3,309.95x = 13,893,612.29
  5. Step 5: Solve for x
    x = 13,893,612.29/3,309.95
  6. Step 6: Final answer
    x = 4,197.54

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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.