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Finding the Fourth Proportional to 2,796.69, 4,193.40 and 1,151.38

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Solution

The fourth proportional to 2,796.69, 4,193.40 and 1,151.38 is: 1,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.69 : 4,193.40 = 1,151.38 : x
  2. Step 2: Convert to fraction form
    2,796.69/4,193.40 = 1,151.38/x
  3. Step 3: Cross multiply
    2,796.69x = 4,193.40 × 1,151.38
  4. Step 4: Simplify right side
    2,796.69x = 4,828,196.89
  5. Step 5: Solve for x
    x = 4,828,196.89/2,796.69
  6. Step 6: Final answer
    x = 1,726.40

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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.