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Finding the Fourth Proportional to 17,925.76, 26,888.68 and 5,445.88

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Solution

The fourth proportional to 17,925.76, 26,888.68 and 5,445.88 is: 8,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.76 : 26,888.68 = 5,445.88 : x
  2. Step 2: Convert to fraction form
    17,925.76/26,888.68 = 5,445.88/x
  3. Step 3: Cross multiply
    17,925.76x = 26,888.68 × 5,445.88
  4. Step 4: Simplify right side
    17,925.76x = 146,432,524.64
  5. Step 5: Solve for x
    x = 146,432,524.64/17,925.76
  6. Step 6: Final answer
    x = 8,168.83

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