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Finding the Fourth Proportional to 9,852.78, 14,783.82 and 4,922.82

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Solution

The fourth proportional to 9,852.78, 14,783.82 and 4,922.82 is: 7,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,852.78 : 14,783.82 = 4,922.82 : x
  2. Step 2: Convert to fraction form
    9,852.78/14,783.82 = 4,922.82/x
  3. Step 3: Cross multiply
    9,852.78x = 14,783.82 × 4,922.82
  4. Step 4: Simplify right side
    9,852.78x = 72,778,084.77
  5. Step 5: Solve for x
    x = 72,778,084.77/9,852.78
  6. Step 6: Final answer
    x = 7,386.55

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