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Finding the Fourth Proportional to 10,845.22, 14,978.71 and 7,302.28

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Solution

The fourth proportional to 10,845.22, 14,978.71 and 7,302.28 is: 10,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.22 : 14,978.71 = 7,302.28 : x
  2. Step 2: Convert to fraction form
    10,845.22/14,978.71 = 7,302.28/x
  3. Step 3: Cross multiply
    10,845.22x = 14,978.71 × 7,302.28
  4. Step 4: Simplify right side
    10,845.22x = 109,378,697.95
  5. Step 5: Solve for x
    x = 109,378,697.95/10,845.22
  6. Step 6: Final answer
    x = 10,085.43

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