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Finding the Fourth Proportional to 3,027.81, 4,541.32 and 836.76

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Solution

The fourth proportional to 3,027.81, 4,541.32 and 836.76 is: 1,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.81 : 4,541.32 = 836.76 : x
  2. Step 2: Convert to fraction form
    3,027.81/4,541.32 = 836.76/x
  3. Step 3: Cross multiply
    3,027.81x = 4,541.32 × 836.76
  4. Step 4: Simplify right side
    3,027.81x = 3,800,008.29
  5. Step 5: Solve for x
    x = 3,800,008.29/3,027.81
  6. Step 6: Final answer
    x = 1,255.03

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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.