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Finding the Fourth Proportional to 2,043.64, 3,065.91 and 582.91

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Solution

The fourth proportional to 2,043.64, 3,065.91 and 582.91 is: 874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.64 : 3,065.91 = 582.91 : x
  2. Step 2: Convert to fraction form
    2,043.64/3,065.91 = 582.91/x
  3. Step 3: Cross multiply
    2,043.64x = 3,065.91 × 582.91
  4. Step 4: Simplify right side
    2,043.64x = 1,787,149.60
  5. Step 5: Solve for x
    x = 1,787,149.60/2,043.64
  6. Step 6: Final answer
    x = 874.49

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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.