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Finding the Fourth Proportional to 39,642.32, 59,472.58 and 13,346.36

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Solution

The fourth proportional to 39,642.32, 59,472.58 and 13,346.36 is: 20,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.32 : 59,472.58 = 13,346.36 : x
  2. Step 2: Convert to fraction form
    39,642.32/59,472.58 = 13,346.36/x
  3. Step 3: Cross multiply
    39,642.32x = 59,472.58 × 13,346.36
  4. Step 4: Simplify right side
    39,642.32x = 793,742,462.81
  5. Step 5: Solve for x
    x = 793,742,462.81/39,642.32
  6. Step 6: Final answer
    x = 20,022.60

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