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Finding the Fourth Proportional to 15,599.92, 21,529.37 and 8,527.40

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Solution

The fourth proportional to 15,599.92, 21,529.37 and 8,527.40 is: 11,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.92 : 21,529.37 = 8,527.40 : x
  2. Step 2: Convert to fraction form
    15,599.92/21,529.37 = 8,527.40/x
  3. Step 3: Cross multiply
    15,599.92x = 21,529.37 × 8,527.40
  4. Step 4: Simplify right side
    15,599.92x = 183,589,507.10
  5. Step 5: Solve for x
    x = 183,589,507.10/15,599.92
  6. Step 6: Final answer
    x = 11,768.62

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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.