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Finding the Fourth Proportional to 5,093.22, 7,640.04 and 1,806.66

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Solution

The fourth proportional to 5,093.22, 7,640.04 and 1,806.66 is: 2,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.22 : 7,640.04 = 1,806.66 : x
  2. Step 2: Convert to fraction form
    5,093.22/7,640.04 = 1,806.66/x
  3. Step 3: Cross multiply
    5,093.22x = 7,640.04 × 1,806.66
  4. Step 4: Simplify right side
    5,093.22x = 13,802,954.67
  5. Step 5: Solve for x
    x = 13,802,954.67/5,093.22
  6. Step 6: Final answer
    x = 2,710.06

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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.