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Finding the Fourth Proportional to 25,709.72, 38,560.59 and 9,922.16

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Solution

The fourth proportional to 25,709.72, 38,560.59 and 9,922.16 is: 14,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.72 : 38,560.59 = 9,922.16 : x
  2. Step 2: Convert to fraction form
    25,709.72/38,560.59 = 9,922.16/x
  3. Step 3: Cross multiply
    25,709.72x = 38,560.59 × 9,922.16
  4. Step 4: Simplify right side
    25,709.72x = 382,604,343.67
  5. Step 5: Solve for x
    x = 382,604,343.67/25,709.72
  6. Step 6: Final answer
    x = 14,881.70

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