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Finding the Fourth Proportional to 2,094.44, 3,141.74 and 707.82

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Solution

The fourth proportional to 2,094.44, 3,141.74 and 707.82 is: 1,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.44 : 3,141.74 = 707.82 : x
  2. Step 2: Convert to fraction form
    2,094.44/3,141.74 = 707.82/x
  3. Step 3: Cross multiply
    2,094.44x = 3,141.74 × 707.82
  4. Step 4: Simplify right side
    2,094.44x = 2,223,786.41
  5. Step 5: Solve for x
    x = 2,223,786.41/2,094.44
  6. Step 6: Final answer
    x = 1,061.76

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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.