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Finding the Fourth Proportional to 9,492.74, 14,240.72 and 2,918.78

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Solution

The fourth proportional to 9,492.74, 14,240.72 and 2,918.78 is: 4,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.74 : 14,240.72 = 2,918.78 : x
  2. Step 2: Convert to fraction form
    9,492.74/14,240.72 = 2,918.78/x
  3. Step 3: Cross multiply
    9,492.74x = 14,240.72 × 2,918.78
  4. Step 4: Simplify right side
    9,492.74x = 41,565,464.81
  5. Step 5: Solve for x
    x = 41,565,464.81/9,492.74
  6. Step 6: Final answer
    x = 4,378.66

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