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Finding the Fourth Proportional to 2,060.34, 3,089.75 and 673.41

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Solution

The fourth proportional to 2,060.34, 3,089.75 and 673.41 is: 1,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.34 : 3,089.75 = 673.41 : x
  2. Step 2: Convert to fraction form
    2,060.34/3,089.75 = 673.41/x
  3. Step 3: Cross multiply
    2,060.34x = 3,089.75 × 673.41
  4. Step 4: Simplify right side
    2,060.34x = 2,080,676.77
  5. Step 5: Solve for x
    x = 2,080,676.77/2,060.34
  6. Step 6: Final answer
    x = 1,009.87

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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.