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Finding the Fourth Proportional to 2,395.59, 3,593.44 and 664.23

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Solution

The fourth proportional to 2,395.59, 3,593.44 and 664.23 is: 996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.59 : 3,593.44 = 664.23 : x
  2. Step 2: Convert to fraction form
    2,395.59/3,593.44 = 664.23/x
  3. Step 3: Cross multiply
    2,395.59x = 3,593.44 × 664.23
  4. Step 4: Simplify right side
    2,395.59x = 2,386,870.65
  5. Step 5: Solve for x
    x = 2,386,870.65/2,395.59
  6. Step 6: Final answer
    x = 996.36

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1.5x scale

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.