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Finding the Fourth Proportional to 42,446.36, 63,647.66 and 19,052.76

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Solution

The fourth proportional to 42,446.36, 63,647.66 and 19,052.76 is: 28,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.36 : 63,647.66 = 19,052.76 : x
  2. Step 2: Convert to fraction form
    42,446.36/63,647.66 = 19,052.76/x
  3. Step 3: Cross multiply
    42,446.36x = 63,647.66 × 19,052.76
  4. Step 4: Simplify right side
    42,446.36x = 1,212,663,590.54
  5. Step 5: Solve for x
    x = 1,212,663,590.54/42,446.36
  6. Step 6: Final answer
    x = 28,569.32

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