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Finding the Fourth Proportional to 2,043.39, 3,064.19 and 582.21

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Solution

The fourth proportional to 2,043.39, 3,064.19 and 582.21 is: 873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.39 : 3,064.19 = 582.21 : x
  2. Step 2: Convert to fraction form
    2,043.39/3,064.19 = 582.21/x
  3. Step 3: Cross multiply
    2,043.39x = 3,064.19 × 582.21
  4. Step 4: Simplify right side
    2,043.39x = 1,783,999.15
  5. Step 5: Solve for x
    x = 1,783,999.15/2,043.39
  6. Step 6: Final answer
    x = 873.06

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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.