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Finding the Fourth Proportional to 38,188.53, 57,256.47 and 16,830.88

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Solution

The fourth proportional to 38,188.53, 57,256.47 and 16,830.88 is: 25,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.53 : 57,256.47 = 16,830.88 : x
  2. Step 2: Convert to fraction form
    38,188.53/57,256.47 = 16,830.88/x
  3. Step 3: Cross multiply
    38,188.53x = 57,256.47 × 16,830.88
  4. Step 4: Simplify right side
    38,188.53x = 963,676,775.79
  5. Step 5: Solve for x
    x = 963,676,775.79/38,188.53
  6. Step 6: Final answer
    x = 25,234.72

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