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Finding the Fourth Proportional to 56,260.98, 77,636.94 and 30,762.60

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Solution

The fourth proportional to 56,260.98, 77,636.94 and 30,762.60 is: 42,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.98 : 77,636.94 = 30,762.60 : x
  2. Step 2: Convert to fraction form
    56,260.98/77,636.94 = 30,762.60/x
  3. Step 3: Cross multiply
    56,260.98x = 77,636.94 × 30,762.60
  4. Step 4: Simplify right side
    56,260.98x = 2,388,314,130.44
  5. Step 5: Solve for x
    x = 2,388,314,130.44/56,260.98
  6. Step 6: Final answer
    x = 42,450.63

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