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Finding the Fourth Proportional to 66,504.72, 91,649.88 and 47,609.04

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Solution

The fourth proportional to 66,504.72, 91,649.88 and 47,609.04 is: 65,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.72 : 91,649.88 = 47,609.04 : x
  2. Step 2: Convert to fraction form
    66,504.72/91,649.88 = 47,609.04/x
  3. Step 3: Cross multiply
    66,504.72x = 91,649.88 × 47,609.04
  4. Step 4: Simplify right side
    66,504.72x = 4,363,362,802.92
  5. Step 5: Solve for x
    x = 4,363,362,802.92/66,504.72
  6. Step 6: Final answer
    x = 65,609.82

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