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Finding the Fourth Proportional to 2,395.23, 3,593.10 and 663.86

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Solution

The fourth proportional to 2,395.23, 3,593.10 and 663.86 is: 995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.23 : 3,593.10 = 663.86 : x
  2. Step 2: Convert to fraction form
    2,395.23/3,593.10 = 663.86/x
  3. Step 3: Cross multiply
    2,395.23x = 3,593.10 × 663.86
  4. Step 4: Simplify right side
    2,395.23x = 2,385,315.37
  5. Step 5: Solve for x
    x = 2,385,315.37/2,395.23
  6. Step 6: Final answer
    x = 995.86

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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.