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Finding the Fourth Proportional to 28,480.98, 42,736.89 and 11,852.46

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Solution

The fourth proportional to 28,480.98, 42,736.89 and 11,852.46 is: 17,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.98 : 42,736.89 = 11,852.46 : x
  2. Step 2: Convert to fraction form
    28,480.98/42,736.89 = 11,852.46/x
  3. Step 3: Cross multiply
    28,480.98x = 42,736.89 × 11,852.46
  4. Step 4: Simplify right side
    28,480.98x = 506,537,279.25
  5. Step 5: Solve for x
    x = 506,537,279.25/28,480.98
  6. Step 6: Final answer
    x = 17,785.11

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