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Finding the Fourth Proportional to 24,900.64, 34,361.68 and 13,722.40

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Solution

The fourth proportional to 24,900.64, 34,361.68 and 13,722.40 is: 18,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,900.64 : 34,361.68 = 13,722.40 : x
  2. Step 2: Convert to fraction form
    24,900.64/34,361.68 = 13,722.40/x
  3. Step 3: Cross multiply
    24,900.64x = 34,361.68 × 13,722.40
  4. Step 4: Simplify right side
    24,900.64x = 471,524,717.63
  5. Step 5: Solve for x
    x = 471,524,717.63/24,900.64
  6. Step 6: Final answer
    x = 18,936.25

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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.