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Finding the Fourth Proportional to 1,660.63, 2,489.26 and 1,044.77

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Solution

The fourth proportional to 1,660.63, 2,489.26 and 1,044.77 is: 1,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.63 : 2,489.26 = 1,044.77 : x
  2. Step 2: Convert to fraction form
    1,660.63/2,489.26 = 1,044.77/x
  3. Step 3: Cross multiply
    1,660.63x = 2,489.26 × 1,044.77
  4. Step 4: Simplify right side
    1,660.63x = 2,600,704.17
  5. Step 5: Solve for x
    x = 2,600,704.17/1,660.63
  6. Step 6: Final answer
    x = 1,566.09

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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.