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Finding the Fourth Proportional to 3,115.01, 4,672.94 and 1,167

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Solution

The fourth proportional to 3,115.01, 4,672.94 and 1,167 is: 1,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.01 : 4,672.94 = 1,167 : x
  2. Step 2: Convert to fraction form
    3,115.01/4,672.94 = 1,167/x
  3. Step 3: Cross multiply
    3,115.01x = 4,672.94 × 1,167
  4. Step 4: Simplify right side
    3,115.01x = 5,453,315.15
  5. Step 5: Solve for x
    x = 5,453,315.15/3,115.01
  6. Step 6: Final answer
    x = 1,750.66

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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.