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Finding the Fourth Proportional to 10,557.63, 15,843.51 and 5,630.67

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Solution

The fourth proportional to 10,557.63, 15,843.51 and 5,630.67 is: 8,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.63 : 15,843.51 = 5,630.67 : x
  2. Step 2: Convert to fraction form
    10,557.63/15,843.51 = 5,630.67/x
  3. Step 3: Cross multiply
    10,557.63x = 15,843.51 × 5,630.67
  4. Step 4: Simplify right side
    10,557.63x = 89,209,576.45
  5. Step 5: Solve for x
    x = 89,209,576.45/10,557.63
  6. Step 6: Final answer
    x = 8,449.77

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