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Finding the Fourth Proportional to 1,104, 1,522.56 and 792.96

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Solution

The fourth proportional to 1,104, 1,522.56 and 792.96 is: 1,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104 : 1,522.56 = 792.96 : x
  2. Step 2: Convert to fraction form
    1,104/1,522.56 = 792.96/x
  3. Step 3: Cross multiply
    1,104x = 1,522.56 × 792.96
  4. Step 4: Simplify right side
    1,104x = 1,207,329.18
  5. Step 5: Solve for x
    x = 1,207,329.18/1,104
  6. Step 6: Final answer
    x = 1,093.60

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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.