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Finding the Fourth Proportional to 46,988.80, 70,482.80 and 11,927.96

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Solution

The fourth proportional to 46,988.80, 70,482.80 and 11,927.96 is: 17,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,988.80 : 70,482.80 = 11,927.96 : x
  2. Step 2: Convert to fraction form
    46,988.80/70,482.80 = 11,927.96/x
  3. Step 3: Cross multiply
    46,988.80x = 70,482.80 × 11,927.96
  4. Step 4: Simplify right side
    46,988.80x = 840,716,019.09
  5. Step 5: Solve for x
    x = 840,716,019.09/46,988.80
  6. Step 6: Final answer
    x = 17,891.84

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