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Finding the Fourth Proportional to 2,024.39, 3,036.57 and 656.39

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Solution

The fourth proportional to 2,024.39, 3,036.57 and 656.39 is: 984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.39 : 3,036.57 = 656.39 : x
  2. Step 2: Convert to fraction form
    2,024.39/3,036.57 = 656.39/x
  3. Step 3: Cross multiply
    2,024.39x = 3,036.57 × 656.39
  4. Step 4: Simplify right side
    2,024.39x = 1,993,174.18
  5. Step 5: Solve for x
    x = 1,993,174.18/2,024.39
  6. Step 6: Final answer
    x = 984.58

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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.