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Finding the Fourth Proportional to 2,732.68, 3,770.16 and 1,537.50

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Solution

The fourth proportional to 2,732.68, 3,770.16 and 1,537.50 is: 2,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.68 : 3,770.16 = 1,537.50 : x
  2. Step 2: Convert to fraction form
    2,732.68/3,770.16 = 1,537.50/x
  3. Step 3: Cross multiply
    2,732.68x = 3,770.16 × 1,537.50
  4. Step 4: Simplify right side
    2,732.68x = 5,796,621
  5. Step 5: Solve for x
    x = 5,796,621/2,732.68
  6. Step 6: Final answer
    x = 2,121.22

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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.