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Finding the Fourth Proportional to 21,767.46, 30,099.39 and 17,283.30

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Solution

The fourth proportional to 21,767.46, 30,099.39 and 17,283.30 is: 23,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.46 : 30,099.39 = 17,283.30 : x
  2. Step 2: Convert to fraction form
    21,767.46/30,099.39 = 17,283.30/x
  3. Step 3: Cross multiply
    21,767.46x = 30,099.39 × 17,283.30
  4. Step 4: Simplify right side
    21,767.46x = 520,216,787.19
  5. Step 5: Solve for x
    x = 520,216,787.19/21,767.46
  6. Step 6: Final answer
    x = 23,898.83

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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.