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Finding the Fourth Proportional to 61,074.15, 91,624.32 and 18,953.34

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Solution

The fourth proportional to 61,074.15, 91,624.32 and 18,953.34 is: 28,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074.15 : 91,624.32 = 18,953.34 : x
  2. Step 2: Convert to fraction form
    61,074.15/91,624.32 = 18,953.34/x
  3. Step 3: Cross multiply
    61,074.15x = 91,624.32 × 18,953.34
  4. Step 4: Simplify right side
    61,074.15x = 1,736,586,889.23
  5. Step 5: Solve for x
    x = 1,736,586,889.23/61,074.15
  6. Step 6: Final answer
    x = 28,434.07

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