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Finding the Fourth Proportional to 28,595.52, 42,883.20 and 11,946.84

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Solution

The fourth proportional to 28,595.52, 42,883.20 and 11,946.84 is: 17,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.52 : 42,883.20 = 11,946.84 : x
  2. Step 2: Convert to fraction form
    28,595.52/42,883.20 = 11,946.84/x
  3. Step 3: Cross multiply
    28,595.52x = 42,883.20 × 11,946.84
  4. Step 4: Simplify right side
    28,595.52x = 512,318,729.09
  5. Step 5: Solve for x
    x = 512,318,729.09/28,595.52
  6. Step 6: Final answer
    x = 17,916.05

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