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Finding the Fourth Proportional to 2,614.63, 3,609.90 and 1,827.31

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Solution

The fourth proportional to 2,614.63, 3,609.90 and 1,827.31 is: 2,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.63 : 3,609.90 = 1,827.31 : x
  2. Step 2: Convert to fraction form
    2,614.63/3,609.90 = 1,827.31/x
  3. Step 3: Cross multiply
    2,614.63x = 3,609.90 × 1,827.31
  4. Step 4: Simplify right side
    2,614.63x = 6,596,406.37
  5. Step 5: Solve for x
    x = 6,596,406.37/2,614.63
  6. Step 6: Final answer
    x = 2,522.88

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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.