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Finding the Fourth Proportional to 39,794.71, 54,912.77 and 22,795.69

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Solution

The fourth proportional to 39,794.71, 54,912.77 and 22,795.69 is: 31,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.71 : 54,912.77 = 22,795.69 : x
  2. Step 2: Convert to fraction form
    39,794.71/54,912.77 = 22,795.69/x
  3. Step 3: Cross multiply
    39,794.71x = 54,912.77 × 22,795.69
  4. Step 4: Simplify right side
    39,794.71x = 1,251,774,367.98
  5. Step 5: Solve for x
    x = 1,251,774,367.98/39,794.71
  6. Step 6: Final answer
    x = 31,455.80

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1.5x scale

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.