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Finding the Fourth Proportional to 3,906.66, 5,860.46 and 2,445.93

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Solution

The fourth proportional to 3,906.66, 5,860.46 and 2,445.93 is: 3,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.66 : 5,860.46 = 2,445.93 : x
  2. Step 2: Convert to fraction form
    3,906.66/5,860.46 = 2,445.93/x
  3. Step 3: Cross multiply
    3,906.66x = 5,860.46 × 2,445.93
  4. Step 4: Simplify right side
    3,906.66x = 14,334,262.70
  5. Step 5: Solve for x
    x = 14,334,262.70/3,906.66
  6. Step 6: Final answer
    x = 3,669.19

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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.