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Finding the Fourth Proportional to 61,357.92, 84,671.74 and 34,501.97

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Solution

The fourth proportional to 61,357.92, 84,671.74 and 34,501.97 is: 47,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.92 : 84,671.74 = 34,501.97 : x
  2. Step 2: Convert to fraction form
    61,357.92/84,671.74 = 34,501.97/x
  3. Step 3: Cross multiply
    61,357.92x = 84,671.74 × 34,501.97
  4. Step 4: Simplify right side
    61,357.92x = 2,921,341,833.33
  5. Step 5: Solve for x
    x = 2,921,341,833.33/61,357.92
  6. Step 6: Final answer
    x = 47,611.49

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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.