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Finding the Fourth Proportional to 17,816.79, 26,704.81 and 8,443.53

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Solution

The fourth proportional to 17,816.79, 26,704.81 and 8,443.53 is: 12,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.79 : 26,704.81 = 8,443.53 : x
  2. Step 2: Convert to fraction form
    17,816.79/26,704.81 = 8,443.53/x
  3. Step 3: Cross multiply
    17,816.79x = 26,704.81 × 8,443.53
  4. Step 4: Simplify right side
    17,816.79x = 225,482,807.70
  5. Step 5: Solve for x
    x = 225,482,807.70/17,816.79
  6. Step 6: Final answer
    x = 12,655.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.