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Finding the Fourth Proportional to 10,368.79, 15,550.89 and 2,973.22

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Solution

The fourth proportional to 10,368.79, 15,550.89 and 2,973.22 is: 4,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.79 : 15,550.89 = 2,973.22 : x
  2. Step 2: Convert to fraction form
    10,368.79/15,550.89 = 2,973.22/x
  3. Step 3: Cross multiply
    10,368.79x = 15,550.89 × 2,973.22
  4. Step 4: Simplify right side
    10,368.79x = 46,236,217.17
  5. Step 5: Solve for x
    x = 46,236,217.17/10,368.79
  6. Step 6: Final answer
    x = 4,459.17

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