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Finding the Fourth Proportional to 2,741.92, 3,783.72 and 1,562.96

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Solution

The fourth proportional to 2,741.92, 3,783.72 and 1,562.96 is: 2,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.92 : 3,783.72 = 1,562.96 : x
  2. Step 2: Convert to fraction form
    2,741.92/3,783.72 = 1,562.96/x
  3. Step 3: Cross multiply
    2,741.92x = 3,783.72 × 1,562.96
  4. Step 4: Simplify right side
    2,741.92x = 5,913,803.01
  5. Step 5: Solve for x
    x = 5,913,803.01/2,741.92
  6. Step 6: Final answer
    x = 2,156.81

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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.