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Finding the Fourth Proportional to 1,682.17, 2,520.46 and 585.94

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Solution

The fourth proportional to 1,682.17, 2,520.46 and 585.94 is: 877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.17 : 2,520.46 = 585.94 : x
  2. Step 2: Convert to fraction form
    1,682.17/2,520.46 = 585.94/x
  3. Step 3: Cross multiply
    1,682.17x = 2,520.46 × 585.94
  4. Step 4: Simplify right side
    1,682.17x = 1,476,838.33
  5. Step 5: Solve for x
    x = 1,476,838.33/1,682.17
  6. Step 6: Final answer
    x = 877.94

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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.