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Finding the Fourth Proportional to 48,420.65, 72,635.18 and 13,360.32

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Solution

The fourth proportional to 48,420.65, 72,635.18 and 13,360.32 is: 20,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.65 : 72,635.18 = 13,360.32 : x
  2. Step 2: Convert to fraction form
    48,420.65/72,635.18 = 13,360.32/x
  3. Step 3: Cross multiply
    48,420.65x = 72,635.18 × 13,360.32
  4. Step 4: Simplify right side
    48,420.65x = 970,429,181.26
  5. Step 5: Solve for x
    x = 970,429,181.26/48,420.65
  6. Step 6: Final answer
    x = 20,041.64

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