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Finding the Fourth Proportional to 61,788.59, 85,265.97 and 33,493.67

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Solution

The fourth proportional to 61,788.59, 85,265.97 and 33,493.67 is: 46,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.59 : 85,265.97 = 33,493.67 : x
  2. Step 2: Convert to fraction form
    61,788.59/85,265.97 = 33,493.67/x
  3. Step 3: Cross multiply
    61,788.59x = 85,265.97 × 33,493.67
  4. Step 4: Simplify right side
    61,788.59x = 2,855,870,261.41
  5. Step 5: Solve for x
    x = 2,855,870,261.41/61,788.59
  6. Step 6: Final answer
    x = 46,220.03

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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.