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Finding the Fourth Proportional to 1,682.47, 2,523.78 and 586.92

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Solution

The fourth proportional to 1,682.47, 2,523.78 and 586.92 is: 880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.47 : 2,523.78 = 586.92 : x
  2. Step 2: Convert to fraction form
    1,682.47/2,523.78 = 586.92/x
  3. Step 3: Cross multiply
    1,682.47x = 2,523.78 × 586.92
  4. Step 4: Simplify right side
    1,682.47x = 1,481,256.96
  5. Step 5: Solve for x
    x = 1,481,256.96/1,682.47
  6. Step 6: Final answer
    x = 880.41

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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.