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Finding the Fourth Proportional to 58,586.84, 80,849.44 and 31,728.76

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Solution

The fourth proportional to 58,586.84, 80,849.44 and 31,728.76 is: 43,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,586.84 : 80,849.44 = 31,728.76 : x
  2. Step 2: Convert to fraction form
    58,586.84/80,849.44 = 31,728.76/x
  3. Step 3: Cross multiply
    58,586.84x = 80,849.44 × 31,728.76
  4. Step 4: Simplify right side
    58,586.84x = 2,565,252,477.89
  5. Step 5: Solve for x
    x = 2,565,252,477.89/58,586.84
  6. Step 6: Final answer
    x = 43,785.47

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