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Finding the Fourth Proportional to 21,224.46, 29,291.00 and 11,792.94

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Solution

The fourth proportional to 21,224.46, 29,291.00 and 11,792.94 is: 16,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.46 : 29,291.00 = 11,792.94 : x
  2. Step 2: Convert to fraction form
    21,224.46/29,291.00 = 11,792.94/x
  3. Step 3: Cross multiply
    21,224.46x = 29,291.00 × 11,792.94
  4. Step 4: Simplify right side
    21,224.46x = 345,426,946.58
  5. Step 5: Solve for x
    x = 345,426,946.58/21,224.46
  6. Step 6: Final answer
    x = 16,274.95

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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.