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Finding the Fourth Proportional to 4,174.54, 6,253.44 and 1,985.38

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Solution

The fourth proportional to 4,174.54, 6,253.44 and 1,985.38 is: 2,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.54 : 6,253.44 = 1,985.38 : x
  2. Step 2: Convert to fraction form
    4,174.54/6,253.44 = 1,985.38/x
  3. Step 3: Cross multiply
    4,174.54x = 6,253.44 × 1,985.38
  4. Step 4: Simplify right side
    4,174.54x = 12,415,454.71
  5. Step 5: Solve for x
    x = 12,415,454.71/4,174.54
  6. Step 6: Final answer
    x = 2,974.09

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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.