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Finding the Fourth Proportional to 2,694.42, 4,042.11 and 962.64

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Solution

The fourth proportional to 2,694.42, 4,042.11 and 962.64 is: 1,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.42 : 4,042.11 = 962.64 : x
  2. Step 2: Convert to fraction form
    2,694.42/4,042.11 = 962.64/x
  3. Step 3: Cross multiply
    2,694.42x = 4,042.11 × 962.64
  4. Step 4: Simplify right side
    2,694.42x = 3,891,096.77
  5. Step 5: Solve for x
    x = 3,891,096.77/2,694.42
  6. Step 6: Final answer
    x = 1,444.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.