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Finding the Fourth Proportional to 2,741.32, 3,783.24 and 1,562.12

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Solution

The fourth proportional to 2,741.32, 3,783.24 and 1,562.12 is: 2,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.32 : 3,783.24 = 1,562.12 : x
  2. Step 2: Convert to fraction form
    2,741.32/3,783.24 = 1,562.12/x
  3. Step 3: Cross multiply
    2,741.32x = 3,783.24 × 1,562.12
  4. Step 4: Simplify right side
    2,741.32x = 5,909,874.87
  5. Step 5: Solve for x
    x = 5,909,874.87/2,741.32
  6. Step 6: Final answer
    x = 2,155.85

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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.