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Finding the Fourth Proportional to 4,658.56, 6,988.80 and 1,736.16

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Solution

The fourth proportional to 4,658.56, 6,988.80 and 1,736.16 is: 2,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.56 : 6,988.80 = 1,736.16 : x
  2. Step 2: Convert to fraction form
    4,658.56/6,988.80 = 1,736.16/x
  3. Step 3: Cross multiply
    4,658.56x = 6,988.80 × 1,736.16
  4. Step 4: Simplify right side
    4,658.56x = 12,133,675.01
  5. Step 5: Solve for x
    x = 12,133,675.01/4,658.56
  6. Step 6: Final answer
    x = 2,604.60

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