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Finding the Fourth Proportional to 56,815.53, 85,223.19 and 17,372.63

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Solution

The fourth proportional to 56,815.53, 85,223.19 and 17,372.63 is: 26,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.53 : 85,223.19 = 17,372.63 : x
  2. Step 2: Convert to fraction form
    56,815.53/85,223.19 = 17,372.63/x
  3. Step 3: Cross multiply
    56,815.53x = 85,223.19 × 17,372.63
  4. Step 4: Simplify right side
    56,815.53x = 1,480,550,648.39
  5. Step 5: Solve for x
    x = 1,480,550,648.39/56,815.53
  6. Step 6: Final answer
    x = 26,058.91

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