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Finding the Fourth Proportional to 61,785.96, 85,262.34 and 33,491.04

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Solution

The fourth proportional to 61,785.96, 85,262.34 and 33,491.04 is: 46,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.96 : 85,262.34 = 33,491.04 : x
  2. Step 2: Convert to fraction form
    61,785.96/85,262.34 = 33,491.04/x
  3. Step 3: Cross multiply
    61,785.96x = 85,262.34 × 33,491.04
  4. Step 4: Simplify right side
    61,785.96x = 2,855,524,439.43
  5. Step 5: Solve for x
    x = 2,855,524,439.43/61,785.96
  6. Step 6: Final answer
    x = 46,216.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.