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Finding the Fourth Proportional to 1,892.66, 2,834.23 and 1,197.22

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Solution

The fourth proportional to 1,892.66, 2,834.23 and 1,197.22 is: 1,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.66 : 2,834.23 = 1,197.22 : x
  2. Step 2: Convert to fraction form
    1,892.66/2,834.23 = 1,197.22/x
  3. Step 3: Cross multiply
    1,892.66x = 2,834.23 × 1,197.22
  4. Step 4: Simplify right side
    1,892.66x = 3,393,196.84
  5. Step 5: Solve for x
    x = 3,393,196.84/1,892.66
  6. Step 6: Final answer
    x = 1,792.82

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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.