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Finding the Fourth Proportional to 1,522.92, 2,102.22 and 894

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Solution

The fourth proportional to 1,522.92, 2,102.22 and 894 is: 1,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.92 : 2,102.22 = 894 : x
  2. Step 2: Convert to fraction form
    1,522.92/2,102.22 = 894/x
  3. Step 3: Cross multiply
    1,522.92x = 2,102.22 × 894
  4. Step 4: Simplify right side
    1,522.92x = 1,879,384.68
  5. Step 5: Solve for x
    x = 1,879,384.68/1,522.92
  6. Step 6: Final answer
    x = 1,234.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.