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Finding the Fourth Proportional to 3,166.85, 4,755.05 and 2,746.01

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Solution

The fourth proportional to 3,166.85, 4,755.05 and 2,746.01 is: 4,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.85 : 4,755.05 = 2,746.01 : x
  2. Step 2: Convert to fraction form
    3,166.85/4,755.05 = 2,746.01/x
  3. Step 3: Cross multiply
    3,166.85x = 4,755.05 × 2,746.01
  4. Step 4: Simplify right side
    3,166.85x = 13,057,414.85
  5. Step 5: Solve for x
    x = 13,057,414.85/3,166.85
  6. Step 6: Final answer
    x = 4,123.16

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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.