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Finding the Fourth Proportional to 2,679.75, 3,696.66 and 1,795.86

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Solution

The fourth proportional to 2,679.75, 3,696.66 and 1,795.86 is: 2,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.75 : 3,696.66 = 1,795.86 : x
  2. Step 2: Convert to fraction form
    2,679.75/3,696.66 = 1,795.86/x
  3. Step 3: Cross multiply
    2,679.75x = 3,696.66 × 1,795.86
  4. Step 4: Simplify right side
    2,679.75x = 6,638,683.83
  5. Step 5: Solve for x
    x = 6,638,683.83/2,679.75
  6. Step 6: Final answer
    x = 2,477.35

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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.