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Finding the Fourth Proportional to 8,355.76, 12,535.71 and 3,358.46

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Solution

The fourth proportional to 8,355.76, 12,535.71 and 3,358.46 is: 5,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.76 : 12,535.71 = 3,358.46 : x
  2. Step 2: Convert to fraction form
    8,355.76/12,535.71 = 3,358.46/x
  3. Step 3: Cross multiply
    8,355.76x = 12,535.71 × 3,358.46
  4. Step 4: Simplify right side
    8,355.76x = 42,100,718.24
  5. Step 5: Solve for x
    x = 42,100,718.24/8,355.76
  6. Step 6: Final answer
    x = 5,038.53

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