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Finding the Fourth Proportional to 48,475.93, 72,715.52 and 13,412.65

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Solution

The fourth proportional to 48,475.93, 72,715.52 and 13,412.65 is: 20,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,475.93 : 72,715.52 = 13,412.65 : x
  2. Step 2: Convert to fraction form
    48,475.93/72,715.52 = 13,412.65/x
  3. Step 3: Cross multiply
    48,475.93x = 72,715.52 × 13,412.65
  4. Step 4: Simplify right side
    48,475.93x = 975,307,819.33
  5. Step 5: Solve for x
    x = 975,307,819.33/48,475.93
  6. Step 6: Final answer
    x = 20,119.42

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