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Finding the Fourth Proportional to 57,058.36, 85,587.76 and 15,505.36

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Solution

The fourth proportional to 57,058.36, 85,587.76 and 15,505.36 is: 23,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.36 : 85,587.76 = 15,505.36 : x
  2. Step 2: Convert to fraction form
    57,058.36/85,587.76 = 15,505.36/x
  3. Step 3: Cross multiply
    57,058.36x = 85,587.76 × 15,505.36
  4. Step 4: Simplify right side
    57,058.36x = 1,327,069,030.39
  5. Step 5: Solve for x
    x = 1,327,069,030.39/57,058.36
  6. Step 6: Final answer
    x = 23,258.10

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