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Finding the Fourth Proportional to 3,954.67, 5,929.41 and 1,873.54

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Solution

The fourth proportional to 3,954.67, 5,929.41 and 1,873.54 is: 2,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.67 : 5,929.41 = 1,873.54 : x
  2. Step 2: Convert to fraction form
    3,954.67/5,929.41 = 1,873.54/x
  3. Step 3: Cross multiply
    3,954.67x = 5,929.41 × 1,873.54
  4. Step 4: Simplify right side
    3,954.67x = 11,108,965.31
  5. Step 5: Solve for x
    x = 11,108,965.31/3,954.67
  6. Step 6: Final answer
    x = 2,809.08

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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.