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Finding the Fourth Proportional to 4,578.65, 6,868.41 and 1,246.94

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Solution

The fourth proportional to 4,578.65, 6,868.41 and 1,246.94 is: 1,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.65 : 6,868.41 = 1,246.94 : x
  2. Step 2: Convert to fraction form
    4,578.65/6,868.41 = 1,246.94/x
  3. Step 3: Cross multiply
    4,578.65x = 6,868.41 × 1,246.94
  4. Step 4: Simplify right side
    4,578.65x = 8,564,495.17
  5. Step 5: Solve for x
    x = 8,564,495.17/4,578.65
  6. Step 6: Final answer
    x = 1,870.53

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