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Finding the Fourth Proportional to 2,368.72, 3,267.90 and 1,373.82

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Solution

The fourth proportional to 2,368.72, 3,267.90 and 1,373.82 is: 1,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.72 : 3,267.90 = 1,373.82 : x
  2. Step 2: Convert to fraction form
    2,368.72/3,267.90 = 1,373.82/x
  3. Step 3: Cross multiply
    2,368.72x = 3,267.90 × 1,373.82
  4. Step 4: Simplify right side
    2,368.72x = 4,489,506.38
  5. Step 5: Solve for x
    x = 4,489,506.38/2,368.72
  6. Step 6: Final answer
    x = 1,895.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.