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Finding the Fourth Proportional to 61,786.59, 85,263.21 and 33,491.67

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Solution

The fourth proportional to 61,786.59, 85,263.21 and 33,491.67 is: 46,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.59 : 85,263.21 = 33,491.67 : x
  2. Step 2: Convert to fraction form
    61,786.59/85,263.21 = 33,491.67/x
  3. Step 3: Cross multiply
    61,786.59x = 85,263.21 × 33,491.67
  4. Step 4: Simplify right side
    61,786.59x = 2,855,607,292.46
  5. Step 5: Solve for x
    x = 2,855,607,292.46/61,786.59
  6. Step 6: Final answer
    x = 46,217.27

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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.