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Finding the Fourth Proportional to 1,841.96, 2,762.90 and 746.30

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Solution

The fourth proportional to 1,841.96, 2,762.90 and 746.30 is: 1,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.96 : 2,762.90 = 746.30 : x
  2. Step 2: Convert to fraction form
    1,841.96/2,762.90 = 746.30/x
  3. Step 3: Cross multiply
    1,841.96x = 2,762.90 × 746.30
  4. Step 4: Simplify right side
    1,841.96x = 2,061,952.27
  5. Step 5: Solve for x
    x = 2,061,952.27/1,841.96
  6. Step 6: Final answer
    x = 1,119.43

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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.