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Finding the Fourth Proportional to 61,788.52, 85,267.73 and 34,930.99

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Solution

The fourth proportional to 61,788.52, 85,267.73 and 34,930.99 is: 48,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.52 : 85,267.73 = 34,930.99 : x
  2. Step 2: Convert to fraction form
    61,788.52/85,267.73 = 34,930.99/x
  3. Step 3: Cross multiply
    61,788.52x = 85,267.73 × 34,930.99
  4. Step 4: Simplify right side
    61,788.52x = 2,978,485,622.96
  5. Step 5: Solve for x
    x = 2,978,485,622.96/61,788.52
  6. Step 6: Final answer
    x = 48,204.52

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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.