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Finding the Fourth Proportional to 61,847.93, 85,358.18 and 34,634.37

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Solution

The fourth proportional to 61,847.93, 85,358.18 and 34,634.37 is: 47,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,847.93 : 85,358.18 = 34,634.37 : x
  2. Step 2: Convert to fraction form
    61,847.93/85,358.18 = 34,634.37/x
  3. Step 3: Cross multiply
    61,847.93x = 85,358.18 × 34,634.37
  4. Step 4: Simplify right side
    61,847.93x = 2,956,327,195.33
  5. Step 5: Solve for x
    x = 2,956,327,195.33/61,847.93
  6. Step 6: Final answer
    x = 47,799.94

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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.