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Finding the Fourth Proportional to 27,278.16, 40,916.93 and 7,555.98

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Solution

The fourth proportional to 27,278.16, 40,916.93 and 7,555.98 is: 11,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.16 : 40,916.93 = 7,555.98 : x
  2. Step 2: Convert to fraction form
    27,278.16/40,916.93 = 7,555.98/x
  3. Step 3: Cross multiply
    27,278.16x = 40,916.93 × 7,555.98
  4. Step 4: Simplify right side
    27,278.16x = 309,167,466.96
  5. Step 5: Solve for x
    x = 309,167,466.96/27,278.16
  6. Step 6: Final answer
    x = 11,333.88

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