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Finding the Fourth Proportional to 74,613.94, 111,933.05 and 22,028.74

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Solution

The fourth proportional to 74,613.94, 111,933.05 and 22,028.74 is: 33,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.94 : 111,933.05 = 22,028.74 : x
  2. Step 2: Convert to fraction form
    74,613.94/111,933.05 = 22,028.74/x
  3. Step 3: Cross multiply
    74,613.94x = 111,933.05 × 22,028.74
  4. Step 4: Simplify right side
    74,613.94x = 2,465,744,055.86
  5. Step 5: Solve for x
    x = 2,465,744,055.86/74,613.94
  6. Step 6: Final answer
    x = 33,046.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.