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Finding the Fourth Proportional to 31,101.60, 46,666.80 and 16,327.20

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Solution

The fourth proportional to 31,101.60, 46,666.80 and 16,327.20 is: 24,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101.60 : 46,666.80 = 16,327.20 : x
  2. Step 2: Convert to fraction form
    31,101.60/46,666.80 = 16,327.20/x
  3. Step 3: Cross multiply
    31,101.60x = 46,666.80 × 16,327.20
  4. Step 4: Simplify right side
    31,101.60x = 761,938,176.96
  5. Step 5: Solve for x
    x = 761,938,176.96/31,101.60
  6. Step 6: Final answer
    x = 24,498.36

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