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Finding the Fourth Proportional to 2,368.63, 3,550.17 and 1,395.41

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Solution

The fourth proportional to 2,368.63, 3,550.17 and 1,395.41 is: 2,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.63 : 3,550.17 = 1,395.41 : x
  2. Step 2: Convert to fraction form
    2,368.63/3,550.17 = 1,395.41/x
  3. Step 3: Cross multiply
    2,368.63x = 3,550.17 × 1,395.41
  4. Step 4: Simplify right side
    2,368.63x = 4,953,942.72
  5. Step 5: Solve for x
    x = 4,953,942.72/2,368.63
  6. Step 6: Final answer
    x = 2,091.48

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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.