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Finding the Fourth Proportional to 1,664.63, 2,296 and 1,034.49

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Solution

The fourth proportional to 1,664.63, 2,296 and 1,034.49 is: 1,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.63 : 2,296 = 1,034.49 : x
  2. Step 2: Convert to fraction form
    1,664.63/2,296 = 1,034.49/x
  3. Step 3: Cross multiply
    1,664.63x = 2,296 × 1,034.49
  4. Step 4: Simplify right side
    1,664.63x = 2,375,189.04
  5. Step 5: Solve for x
    x = 2,375,189.04/1,664.63
  6. Step 6: Final answer
    x = 1,426.86

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Why These Related Problems?

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