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Finding the Fourth Proportional to 52,765.72, 79,152.69 and 15,326.40

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Solution

The fourth proportional to 52,765.72, 79,152.69 and 15,326.40 is: 22,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.72 : 79,152.69 = 15,326.40 : x
  2. Step 2: Convert to fraction form
    52,765.72/79,152.69 = 15,326.40/x
  3. Step 3: Cross multiply
    52,765.72x = 79,152.69 × 15,326.40
  4. Step 4: Simplify right side
    52,765.72x = 1,213,125,788.02
  5. Step 5: Solve for x
    x = 1,213,125,788.02/52,765.72
  6. Step 6: Final answer
    x = 22,990.79

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