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Finding the Fourth Proportional to 1,882.84, 2,822.39 and 893.92

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Solution

The fourth proportional to 1,882.84, 2,822.39 and 893.92 is: 1,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.84 : 2,822.39 = 893.92 : x
  2. Step 2: Convert to fraction form
    1,882.84/2,822.39 = 893.92/x
  3. Step 3: Cross multiply
    1,882.84x = 2,822.39 × 893.92
  4. Step 4: Simplify right side
    1,882.84x = 2,522,986.40
  5. Step 5: Solve for x
    x = 2,522,986.40/1,882.84
  6. Step 6: Final answer
    x = 1,339.99

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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.