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Finding the Fourth Proportional to 7,159.46, 10,742.18 and 3,154.82

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Solution

The fourth proportional to 7,159.46, 10,742.18 and 3,154.82 is: 4,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.46 : 10,742.18 = 3,154.82 : x
  2. Step 2: Convert to fraction form
    7,159.46/10,742.18 = 3,154.82/x
  3. Step 3: Cross multiply
    7,159.46x = 10,742.18 × 3,154.82
  4. Step 4: Simplify right side
    7,159.46x = 33,889,574.82
  5. Step 5: Solve for x
    x = 33,889,574.82/7,159.46
  6. Step 6: Final answer
    x = 4,733.54

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