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Finding the Fourth Proportional to 61,367.94, 84,704.76 and 35,879.76

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Solution

The fourth proportional to 61,367.94, 84,704.76 and 35,879.76 is: 49,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,367.94 : 84,704.76 = 35,879.76 : x
  2. Step 2: Convert to fraction form
    61,367.94/84,704.76 = 35,879.76/x
  3. Step 3: Cross multiply
    61,367.94x = 84,704.76 × 35,879.76
  4. Step 4: Simplify right side
    61,367.94x = 3,039,186,459.66
  5. Step 5: Solve for x
    x = 3,039,186,459.66/61,367.94
  6. Step 6: Final answer
    x = 49,524.01

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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.