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Finding the Fourth Proportional to 53,670.42, 80,528.43 and 28,704

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Solution

The fourth proportional to 53,670.42, 80,528.43 and 28,704 is: 43,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.42 : 80,528.43 = 28,704 : x
  2. Step 2: Convert to fraction form
    53,670.42/80,528.43 = 28,704/x
  3. Step 3: Cross multiply
    53,670.42x = 80,528.43 × 28,704
  4. Step 4: Simplify right side
    53,670.42x = 2,311,488,054.72
  5. Step 5: Solve for x
    x = 2,311,488,054.72/53,670.42
  6. Step 6: Final answer
    x = 43,068.19

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