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Finding the Fourth Proportional to 2,436.34, 3,654.71 and 792.85

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Solution

The fourth proportional to 2,436.34, 3,654.71 and 792.85 is: 1,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.34 : 3,654.71 = 792.85 : x
  2. Step 2: Convert to fraction form
    2,436.34/3,654.71 = 792.85/x
  3. Step 3: Cross multiply
    2,436.34x = 3,654.71 × 792.85
  4. Step 4: Simplify right side
    2,436.34x = 2,897,636.82
  5. Step 5: Solve for x
    x = 2,897,636.82/2,436.34
  6. Step 6: Final answer
    x = 1,189.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.