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Finding the Fourth Proportional to 48,648.68, 72,973.72 and 13,588.52

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Solution

The fourth proportional to 48,648.68, 72,973.72 and 13,588.52 is: 20,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.68 : 72,973.72 = 13,588.52 : x
  2. Step 2: Convert to fraction form
    48,648.68/72,973.72 = 13,588.52/x
  3. Step 3: Cross multiply
    48,648.68x = 72,973.72 × 13,588.52
  4. Step 4: Simplify right side
    48,648.68x = 991,604,853.69
  5. Step 5: Solve for x
    x = 991,604,853.69/48,648.68
  6. Step 6: Final answer
    x = 20,382.98

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