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Finding the Fourth Proportional to 8,530.38, 12,795.62 and 5,325.62

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Solution

The fourth proportional to 8,530.38, 12,795.62 and 5,325.62 is: 7,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.38 : 12,795.62 = 5,325.62 : x
  2. Step 2: Convert to fraction form
    8,530.38/12,795.62 = 5,325.62/x
  3. Step 3: Cross multiply
    8,530.38x = 12,795.62 × 5,325.62
  4. Step 4: Simplify right side
    8,530.38x = 68,144,519.18
  5. Step 5: Solve for x
    x = 68,144,519.18/8,530.38
  6. Step 6: Final answer
    x = 7,988.45

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