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Finding the Fourth Proportional to 52,751.46, 72,790.56 and 42,023.66

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Solution

The fourth proportional to 52,751.46, 72,790.56 and 42,023.66 is: 57,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.46 : 72,790.56 = 42,023.66 : x
  2. Step 2: Convert to fraction form
    52,751.46/72,790.56 = 42,023.66/x
  3. Step 3: Cross multiply
    52,751.46x = 72,790.56 × 42,023.66
  4. Step 4: Simplify right side
    52,751.46x = 3,058,925,744.65
  5. Step 5: Solve for x
    x = 3,058,925,744.65/52,751.46
  6. Step 6: Final answer
    x = 57,987.51

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