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Finding the Fourth Proportional to 61,493.93, 84,859.90 and 34,635.85

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Solution

The fourth proportional to 61,493.93, 84,859.90 and 34,635.85 is: 47,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,493.93 : 84,859.90 = 34,635.85 : x
  2. Step 2: Convert to fraction form
    61,493.93/84,859.90 = 34,635.85/x
  3. Step 3: Cross multiply
    61,493.93x = 84,859.90 × 34,635.85
  4. Step 4: Simplify right side
    61,493.93x = 2,939,195,140.84
  5. Step 5: Solve for x
    x = 2,939,195,140.84/61,493.93
  6. Step 6: Final answer
    x = 47,796.50

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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.