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Finding the Fourth Proportional to 52,962.28, 79,443.35 and 13,519.40

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Solution

The fourth proportional to 52,962.28, 79,443.35 and 13,519.40 is: 20,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,962.28 : 79,443.35 = 13,519.40 : x
  2. Step 2: Convert to fraction form
    52,962.28/79,443.35 = 13,519.40/x
  3. Step 3: Cross multiply
    52,962.28x = 79,443.35 × 13,519.40
  4. Step 4: Simplify right side
    52,962.28x = 1,074,026,425.99
  5. Step 5: Solve for x
    x = 1,074,026,425.99/52,962.28
  6. Step 6: Final answer
    x = 20,279.08

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