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Finding the Fourth Proportional to 17,374.79, 26,052.31 and 6,839.10

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Solution

The fourth proportional to 17,374.79, 26,052.31 and 6,839.10 is: 10,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.79 : 26,052.31 = 6,839.10 : x
  2. Step 2: Convert to fraction form
    17,374.79/26,052.31 = 6,839.10/x
  3. Step 3: Cross multiply
    17,374.79x = 26,052.31 × 6,839.10
  4. Step 4: Simplify right side
    17,374.79x = 178,174,221.43
  5. Step 5: Solve for x
    x = 178,174,221.43/17,374.79
  6. Step 6: Final answer
    x = 10,254.76

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Why These Related Problems?

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