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Finding the Fourth Proportional to 2,659.90, 3,670.58 and 1,481

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Solution

The fourth proportional to 2,659.90, 3,670.58 and 1,481 is: 2,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.90 : 3,670.58 = 1,481 : x
  2. Step 2: Convert to fraction form
    2,659.90/3,670.58 = 1,481/x
  3. Step 3: Cross multiply
    2,659.90x = 3,670.58 × 1,481
  4. Step 4: Simplify right side
    2,659.90x = 5,436,128.98
  5. Step 5: Solve for x
    x = 5,436,128.98/2,659.90
  6. Step 6: Final answer
    x = 2,043.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.