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Finding the Fourth Proportional to 48,752.08, 73,130.85 and 13,689

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Solution

The fourth proportional to 48,752.08, 73,130.85 and 13,689 is: 20,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.08 : 73,130.85 = 13,689 : x
  2. Step 2: Convert to fraction form
    48,752.08/73,130.85 = 13,689/x
  3. Step 3: Cross multiply
    48,752.08x = 73,130.85 × 13,689
  4. Step 4: Simplify right side
    48,752.08x = 1,001,088,205.65
  5. Step 5: Solve for x
    x = 1,001,088,205.65/48,752.08
  6. Step 6: Final answer
    x = 20,534.27

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