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Finding the Fourth Proportional to 22,652.51, 31,262.93 and 13,704.95

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Solution

The fourth proportional to 22,652.51, 31,262.93 and 13,704.95 is: 18,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,652.51 : 31,262.93 = 13,704.95 : x
  2. Step 2: Convert to fraction form
    22,652.51/31,262.93 = 13,704.95/x
  3. Step 3: Cross multiply
    22,652.51x = 31,262.93 × 13,704.95
  4. Step 4: Simplify right side
    22,652.51x = 428,456,777.68
  5. Step 5: Solve for x
    x = 428,456,777.68/22,652.51
  6. Step 6: Final answer
    x = 18,914.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.