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Finding the Fourth Proportional to 1,822.92, 2,733.71 and 652.61

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Solution

The fourth proportional to 1,822.92, 2,733.71 and 652.61 is: 978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.92 : 2,733.71 = 652.61 : x
  2. Step 2: Convert to fraction form
    1,822.92/2,733.71 = 652.61/x
  3. Step 3: Cross multiply
    1,822.92x = 2,733.71 × 652.61
  4. Step 4: Simplify right side
    1,822.92x = 1,784,046.48
  5. Step 5: Solve for x
    x = 1,784,046.48/1,822.92
  6. Step 6: Final answer
    x = 978.68

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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.