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Finding the Fourth Proportional to 50,681, 69,941.94 and 28,325

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Solution

The fourth proportional to 50,681, 69,941.94 and 28,325 is: 39,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681 : 69,941.94 = 28,325 : x
  2. Step 2: Convert to fraction form
    50,681/69,941.94 = 28,325/x
  3. Step 3: Cross multiply
    50,681x = 69,941.94 × 28,325
  4. Step 4: Simplify right side
    50,681x = 1,981,105,450.50
  5. Step 5: Solve for x
    x = 1,981,105,450.50/50,681
  6. Step 6: Final answer
    x = 39,089.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.