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Finding the Fourth Proportional to 7,383.94, 10,189.46 and 4,196.82

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Solution

The fourth proportional to 7,383.94, 10,189.46 and 4,196.82 is: 5,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.94 : 10,189.46 = 4,196.82 : x
  2. Step 2: Convert to fraction form
    7,383.94/10,189.46 = 4,196.82/x
  3. Step 3: Cross multiply
    7,383.94x = 10,189.46 × 4,196.82
  4. Step 4: Simplify right side
    7,383.94x = 42,763,329.52
  5. Step 5: Solve for x
    x = 42,763,329.52/7,383.94
  6. Step 6: Final answer
    x = 5,791.40

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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.