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Finding the Fourth Proportional to 2,796.52, 4,193.82 and 1,153

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Solution

The fourth proportional to 2,796.52, 4,193.82 and 1,153 is: 1,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.52 : 4,193.82 = 1,153 : x
  2. Step 2: Convert to fraction form
    2,796.52/4,193.82 = 1,153/x
  3. Step 3: Cross multiply
    2,796.52x = 4,193.82 × 1,153
  4. Step 4: Simplify right side
    2,796.52x = 4,835,474.46
  5. Step 5: Solve for x
    x = 4,835,474.46/2,796.52
  6. Step 6: Final answer
    x = 1,729.10

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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.