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Finding the Fourth Proportional to 61,561.44, 84,953.64 and 34,703.97

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Solution

The fourth proportional to 61,561.44, 84,953.64 and 34,703.97 is: 47,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561.44 : 84,953.64 = 34,703.97 : x
  2. Step 2: Convert to fraction form
    61,561.44/84,953.64 = 34,703.97/x
  3. Step 3: Cross multiply
    61,561.44x = 84,953.64 × 34,703.97
  4. Step 4: Simplify right side
    61,561.44x = 2,948,228,573.95
  5. Step 5: Solve for x
    x = 2,948,228,573.95/61,561.44
  6. Step 6: Final answer
    x = 47,890.83

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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.