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Finding the Fourth Proportional to 25,748.93, 38,688.09 and 16,393.12

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Solution

The fourth proportional to 25,748.93, 38,688.09 and 16,393.12 is: 24,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.93 : 38,688.09 = 16,393.12 : x
  2. Step 2: Convert to fraction form
    25,748.93/38,688.09 = 16,393.12/x
  3. Step 3: Cross multiply
    25,748.93x = 38,688.09 × 16,393.12
  4. Step 4: Simplify right side
    25,748.93x = 634,218,501.94
  5. Step 5: Solve for x
    x = 634,218,501.94/25,748.93
  6. Step 6: Final answer
    x = 24,630.87

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