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Finding the Fourth Proportional to 5,878.74, 8,802.30 and 3,099.63

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Solution

The fourth proportional to 5,878.74, 8,802.30 and 3,099.63 is: 4,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.74 : 8,802.30 = 3,099.63 : x
  2. Step 2: Convert to fraction form
    5,878.74/8,802.30 = 3,099.63/x
  3. Step 3: Cross multiply
    5,878.74x = 8,802.30 × 3,099.63
  4. Step 4: Simplify right side
    5,878.74x = 27,283,873.15
  5. Step 5: Solve for x
    x = 27,283,873.15/5,878.74
  6. Step 6: Final answer
    x = 4,641.11

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