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Finding the Fourth Proportional to 12,656.46, 18,932.85 and 10,582.86

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Solution

The fourth proportional to 12,656.46, 18,932.85 and 10,582.86 is: 15,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.46 : 18,932.85 = 10,582.86 : x
  2. Step 2: Convert to fraction form
    12,656.46/18,932.85 = 10,582.86/x
  3. Step 3: Cross multiply
    12,656.46x = 18,932.85 × 10,582.86
  4. Step 4: Simplify right side
    12,656.46x = 200,363,700.95
  5. Step 5: Solve for x
    x = 200,363,700.95/12,656.46
  6. Step 6: Final answer
    x = 15,830.94

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