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Finding the Fourth Proportional to 52,455.92, 72,391.56 and 30,946.48

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Solution

The fourth proportional to 52,455.92, 72,391.56 and 30,946.48 is: 42,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.92 : 72,391.56 = 30,946.48 : x
  2. Step 2: Convert to fraction form
    52,455.92/72,391.56 = 30,946.48/x
  3. Step 3: Cross multiply
    52,455.92x = 72,391.56 × 30,946.48
  4. Step 4: Simplify right side
    52,455.92x = 2,240,263,963.71
  5. Step 5: Solve for x
    x = 2,240,263,963.71/52,455.92
  6. Step 6: Final answer
    x = 42,707.55

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