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Finding the Fourth Proportional to 21,607.62, 32,364.42 and 10,490.94

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Solution

The fourth proportional to 21,607.62, 32,364.42 and 10,490.94 is: 15,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.62 : 32,364.42 = 10,490.94 : x
  2. Step 2: Convert to fraction form
    21,607.62/32,364.42 = 10,490.94/x
  3. Step 3: Cross multiply
    21,607.62x = 32,364.42 × 10,490.94
  4. Step 4: Simplify right side
    21,607.62x = 339,533,188.35
  5. Step 5: Solve for x
    x = 339,533,188.35/21,607.62
  6. Step 6: Final answer
    x = 15,713.59

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