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Finding the Fourth Proportional to 10,617.74, 15,928.62 and 3,502.39

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Solution

The fourth proportional to 10,617.74, 15,928.62 and 3,502.39 is: 5,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.74 : 15,928.62 = 3,502.39 : x
  2. Step 2: Convert to fraction form
    10,617.74/15,928.62 = 3,502.39/x
  3. Step 3: Cross multiply
    10,617.74x = 15,928.62 × 3,502.39
  4. Step 4: Simplify right side
    10,617.74x = 55,788,212.71
  5. Step 5: Solve for x
    x = 55,788,212.71/10,617.74
  6. Step 6: Final answer
    x = 5,254.25

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