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Finding the Fourth Proportional to 50,642.55, 76,001.76 and 19,083.74

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Solution

The fourth proportional to 50,642.55, 76,001.76 and 19,083.74 is: 28,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.55 : 76,001.76 = 19,083.74 : x
  2. Step 2: Convert to fraction form
    50,642.55/76,001.76 = 19,083.74/x
  3. Step 3: Cross multiply
    50,642.55x = 76,001.76 × 19,083.74
  4. Step 4: Simplify right side
    50,642.55x = 1,450,397,447.37
  5. Step 5: Solve for x
    x = 1,450,397,447.37/50,642.55
  6. Step 6: Final answer
    x = 28,639.90

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