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Finding the Fourth Proportional to 2,711.04, 3,741.12 and 1,662.72

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Solution

The fourth proportional to 2,711.04, 3,741.12 and 1,662.72 is: 2,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.04 : 3,741.12 = 1,662.72 : x
  2. Step 2: Convert to fraction form
    2,711.04/3,741.12 = 1,662.72/x
  3. Step 3: Cross multiply
    2,711.04x = 3,741.12 × 1,662.72
  4. Step 4: Simplify right side
    2,711.04x = 6,220,435.05
  5. Step 5: Solve for x
    x = 6,220,435.05/2,711.04
  6. Step 6: Final answer
    x = 2,294.48

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Why These Related Problems?

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