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Finding the Fourth Proportional to 30,690.88, 46,038.27 and 9,631.76

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Solution

The fourth proportional to 30,690.88, 46,038.27 and 9,631.76 is: 14,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.88 : 46,038.27 = 9,631.76 : x
  2. Step 2: Convert to fraction form
    30,690.88/46,038.27 = 9,631.76/x
  3. Step 3: Cross multiply
    30,690.88x = 46,038.27 × 9,631.76
  4. Step 4: Simplify right side
    30,690.88x = 443,429,355.32
  5. Step 5: Solve for x
    x = 443,429,355.32/30,690.88
  6. Step 6: Final answer
    x = 14,448.24

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