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Finding the Fourth Proportional to 2,046.42, 3,069.75 and 585.69

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Solution

The fourth proportional to 2,046.42, 3,069.75 and 585.69 is: 878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.42 : 3,069.75 = 585.69 : x
  2. Step 2: Convert to fraction form
    2,046.42/3,069.75 = 585.69/x
  3. Step 3: Cross multiply
    2,046.42x = 3,069.75 × 585.69
  4. Step 4: Simplify right side
    2,046.42x = 1,797,921.88
  5. Step 5: Solve for x
    x = 1,797,921.88/2,046.42
  6. Step 6: Final answer
    x = 878.57

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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.