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Finding the Fourth Proportional to 56,033.92, 77,438.28 and 45,946.72

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Solution

The fourth proportional to 56,033.92, 77,438.28 and 45,946.72 is: 63,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,033.92 : 77,438.28 = 45,946.72 : x
  2. Step 2: Convert to fraction form
    56,033.92/77,438.28 = 45,946.72/x
  3. Step 3: Cross multiply
    56,033.92x = 77,438.28 × 45,946.72
  4. Step 4: Simplify right side
    56,033.92x = 3,558,034,968.44
  5. Step 5: Solve for x
    x = 3,558,034,968.44/56,033.92
  6. Step 6: Final answer
    x = 63,497.88

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