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Finding the Fourth Proportional to 61,786.47, 85,263.03 and 33,491.55

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Solution

The fourth proportional to 61,786.47, 85,263.03 and 33,491.55 is: 46,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.47 : 85,263.03 = 33,491.55 : x
  2. Step 2: Convert to fraction form
    61,786.47/85,263.03 = 33,491.55/x
  3. Step 3: Cross multiply
    61,786.47x = 85,263.03 × 33,491.55
  4. Step 4: Simplify right side
    61,786.47x = 2,855,591,032.40
  5. Step 5: Solve for x
    x = 2,855,591,032.40/61,786.47
  6. Step 6: Final answer
    x = 46,217.09

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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.