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Finding the Fourth Proportional to 3,460.32, 5,194.80 and 2,764.80

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Solution

The fourth proportional to 3,460.32, 5,194.80 and 2,764.80 is: 4,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.32 : 5,194.80 = 2,764.80 : x
  2. Step 2: Convert to fraction form
    3,460.32/5,194.80 = 2,764.80/x
  3. Step 3: Cross multiply
    3,460.32x = 5,194.80 × 2,764.80
  4. Step 4: Simplify right side
    3,460.32x = 14,362,583.04
  5. Step 5: Solve for x
    x = 14,362,583.04/3,460.32
  6. Step 6: Final answer
    x = 4,150.65

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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.