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Finding the Fourth Proportional to 58,322.82, 87,485.58 and 20,885.46

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Solution

The fourth proportional to 58,322.82, 87,485.58 and 20,885.46 is: 31,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,322.82 : 87,485.58 = 20,885.46 : x
  2. Step 2: Convert to fraction form
    58,322.82/87,485.58 = 20,885.46/x
  3. Step 3: Cross multiply
    58,322.82x = 87,485.58 × 20,885.46
  4. Step 4: Simplify right side
    58,322.82x = 1,827,176,581.67
  5. Step 5: Solve for x
    x = 1,827,176,581.67/58,322.82
  6. Step 6: Final answer
    x = 31,328.67

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