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Finding the Fourth Proportional to 3,069.45, 4,606.20 and 1,753.20

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Solution

The fourth proportional to 3,069.45, 4,606.20 and 1,753.20 is: 2,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.45 : 4,606.20 = 1,753.20 : x
  2. Step 2: Convert to fraction form
    3,069.45/4,606.20 = 1,753.20/x
  3. Step 3: Cross multiply
    3,069.45x = 4,606.20 × 1,753.20
  4. Step 4: Simplify right side
    3,069.45x = 8,075,589.84
  5. Step 5: Solve for x
    x = 8,075,589.84/3,069.45
  6. Step 6: Final answer
    x = 2,630.96

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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.