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Finding the Fourth Proportional to 2,395.97, 3,593.95 and 752.64

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Solution

The fourth proportional to 2,395.97, 3,593.95 and 752.64 is: 1,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.97 : 3,593.95 = 752.64 : x
  2. Step 2: Convert to fraction form
    2,395.97/3,593.95 = 752.64/x
  3. Step 3: Cross multiply
    2,395.97x = 3,593.95 × 752.64
  4. Step 4: Simplify right side
    2,395.97x = 2,704,950.53
  5. Step 5: Solve for x
    x = 2,704,950.53/2,395.97
  6. Step 6: Final answer
    x = 1,128.96

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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.