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Finding the Fourth Proportional to 49,126.49, 67,792.57 and 30,038.42

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Solution

The fourth proportional to 49,126.49, 67,792.57 and 30,038.42 is: 41,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,126.49 : 67,792.57 = 30,038.42 : x
  2. Step 2: Convert to fraction form
    49,126.49/67,792.57 = 30,038.42/x
  3. Step 3: Cross multiply
    49,126.49x = 67,792.57 × 30,038.42
  4. Step 4: Simplify right side
    49,126.49x = 2,036,381,690.54
  5. Step 5: Solve for x
    x = 2,036,381,690.54/49,126.49
  6. Step 6: Final answer
    x = 41,451.81

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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.