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Finding the Fourth Proportional to 49,954.56, 74,934.72 and 18,790.08

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Solution

The fourth proportional to 49,954.56, 74,934.72 and 18,790.08 is: 28,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.56 : 74,934.72 = 18,790.08 : x
  2. Step 2: Convert to fraction form
    49,954.56/74,934.72 = 18,790.08/x
  3. Step 3: Cross multiply
    49,954.56x = 74,934.72 × 18,790.08
  4. Step 4: Simplify right side
    49,954.56x = 1,408,029,383.58
  5. Step 5: Solve for x
    x = 1,408,029,383.58/49,954.56
  6. Step 6: Final answer
    x = 28,186.20

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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.