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Finding the Fourth Proportional to 2,395.70, 3,593.73 and 664.32

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Solution

The fourth proportional to 2,395.70, 3,593.73 and 664.32 is: 996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.70 : 3,593.73 = 664.32 : x
  2. Step 2: Convert to fraction form
    2,395.70/3,593.73 = 664.32/x
  3. Step 3: Cross multiply
    2,395.70x = 3,593.73 × 664.32
  4. Step 4: Simplify right side
    2,395.70x = 2,387,386.71
  5. Step 5: Solve for x
    x = 2,387,386.71/2,395.70
  6. Step 6: Final answer
    x = 996.53

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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.