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Finding the Fourth Proportional to 2,741.69, 3,783.57 and 1,562.87

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Solution

The fourth proportional to 2,741.69, 3,783.57 and 1,562.87 is: 2,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.69 : 3,783.57 = 1,562.87 : x
  2. Step 2: Convert to fraction form
    2,741.69/3,783.57 = 1,562.87/x
  3. Step 3: Cross multiply
    2,741.69x = 3,783.57 × 1,562.87
  4. Step 4: Simplify right side
    2,741.69x = 5,913,220.23
  5. Step 5: Solve for x
    x = 5,913,220.23/2,741.69
  6. Step 6: Final answer
    x = 2,156.78

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