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Finding the Fourth Proportional to 31,244, 46,872.48 and 12,776

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Solution

The fourth proportional to 31,244, 46,872.48 and 12,776 is: 19,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244 : 46,872.48 = 12,776 : x
  2. Step 2: Convert to fraction form
    31,244/46,872.48 = 12,776/x
  3. Step 3: Cross multiply
    31,244x = 46,872.48 × 12,776
  4. Step 4: Simplify right side
    31,244x = 598,842,804.48
  5. Step 5: Solve for x
    x = 598,842,804.48/31,244
  6. Step 6: Final answer
    x = 19,166.65

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