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Finding the Fourth Proportional to 2,046.63, 3,069.87 and 660.04

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Solution

The fourth proportional to 2,046.63, 3,069.87 and 660.04 is: 990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.63 : 3,069.87 = 660.04 : x
  2. Step 2: Convert to fraction form
    2,046.63/3,069.87 = 660.04/x
  3. Step 3: Cross multiply
    2,046.63x = 3,069.87 × 660.04
  4. Step 4: Simplify right side
    2,046.63x = 2,026,236.99
  5. Step 5: Solve for x
    x = 2,026,236.99/2,046.63
  6. Step 6: Final answer
    x = 990.04

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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.