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Finding the Fourth Proportional to 30,082.74, 41,513.66 and 16,653.70

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Solution

The fourth proportional to 30,082.74, 41,513.66 and 16,653.70 is: 22,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.74 : 41,513.66 = 16,653.70 : x
  2. Step 2: Convert to fraction form
    30,082.74/41,513.66 = 16,653.70/x
  3. Step 3: Cross multiply
    30,082.74x = 41,513.66 × 16,653.70
  4. Step 4: Simplify right side
    30,082.74x = 691,356,039.54
  5. Step 5: Solve for x
    x = 691,356,039.54/30,082.74
  6. Step 6: Final answer
    x = 22,981.82

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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.