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Finding the Fourth Proportional to 21,527.73, 29,708.28 and 12,096.36

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Solution

The fourth proportional to 21,527.73, 29,708.28 and 12,096.36 is: 16,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.73 : 29,708.28 = 12,096.36 : x
  2. Step 2: Convert to fraction form
    21,527.73/29,708.28 = 12,096.36/x
  3. Step 3: Cross multiply
    21,527.73x = 29,708.28 × 12,096.36
  4. Step 4: Simplify right side
    21,527.73x = 359,362,049.86
  5. Step 5: Solve for x
    x = 359,362,049.86/21,527.73
  6. Step 6: Final answer
    x = 16,692.98

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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.