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Finding the Fourth Proportional to 46,980.48, 70,471.20 and 15,815.76

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Solution

The fourth proportional to 46,980.48, 70,471.20 and 15,815.76 is: 23,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,980.48 : 70,471.20 = 15,815.76 : x
  2. Step 2: Convert to fraction form
    46,980.48/70,471.20 = 15,815.76/x
  3. Step 3: Cross multiply
    46,980.48x = 70,471.20 × 15,815.76
  4. Step 4: Simplify right side
    46,980.48x = 1,114,555,586.11
  5. Step 5: Solve for x
    x = 1,114,555,586.11/46,980.48
  6. Step 6: Final answer
    x = 23,723.80

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