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Finding the Fourth Proportional to 7,741.81, 10,688.13 and 5,096.91

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Solution

The fourth proportional to 7,741.81, 10,688.13 and 5,096.91 is: 7,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.81 : 10,688.13 = 5,096.91 : x
  2. Step 2: Convert to fraction form
    7,741.81/10,688.13 = 5,096.91/x
  3. Step 3: Cross multiply
    7,741.81x = 10,688.13 × 5,096.91
  4. Step 4: Simplify right side
    7,741.81x = 54,476,357.75
  5. Step 5: Solve for x
    x = 54,476,357.75/7,741.81
  6. Step 6: Final answer
    x = 7,036.65

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