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Finding the Fourth Proportional to 9,328.48, 13,986.06 and 4,395.52

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Solution

The fourth proportional to 9,328.48, 13,986.06 and 4,395.52 is: 6,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.48 : 13,986.06 = 4,395.52 : x
  2. Step 2: Convert to fraction form
    9,328.48/13,986.06 = 4,395.52/x
  3. Step 3: Cross multiply
    9,328.48x = 13,986.06 × 4,395.52
  4. Step 4: Simplify right side
    9,328.48x = 61,476,006.45
  5. Step 5: Solve for x
    x = 61,476,006.45/9,328.48
  6. Step 6: Final answer
    x = 6,590.14

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