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Finding the Fourth Proportional to 25,559.34, 38,319.84 and 17,215.94

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Solution

The fourth proportional to 25,559.34, 38,319.84 and 17,215.94 is: 25,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.34 : 38,319.84 = 17,215.94 : x
  2. Step 2: Convert to fraction form
    25,559.34/38,319.84 = 17,215.94/x
  3. Step 3: Cross multiply
    25,559.34x = 38,319.84 × 17,215.94
  4. Step 4: Simplify right side
    25,559.34x = 659,711,874.65
  5. Step 5: Solve for x
    x = 659,711,874.65/25,559.34
  6. Step 6: Final answer
    x = 25,810.99

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