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Finding the Fourth Proportional to 49,792.16, 68,709.12 and 27,436.16

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Solution

The fourth proportional to 49,792.16, 68,709.12 and 27,436.16 is: 37,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,792.16 : 68,709.12 = 27,436.16 : x
  2. Step 2: Convert to fraction form
    49,792.16/68,709.12 = 27,436.16/x
  3. Step 3: Cross multiply
    49,792.16x = 68,709.12 × 27,436.16
  4. Step 4: Simplify right side
    49,792.16x = 1,885,114,409.78
  5. Step 5: Solve for x
    x = 1,885,114,409.78/49,792.16
  6. Step 6: Final answer
    x = 37,859.66

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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.