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Finding the Fourth Proportional to 17,377.79, 26,062.69 and 10,359.79

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Solution

The fourth proportional to 17,377.79, 26,062.69 and 10,359.79 is: 15,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.79 : 26,062.69 = 10,359.79 : x
  2. Step 2: Convert to fraction form
    17,377.79/26,062.69 = 10,359.79/x
  3. Step 3: Cross multiply
    17,377.79x = 26,062.69 × 10,359.79
  4. Step 4: Simplify right side
    17,377.79x = 270,003,943.03
  5. Step 5: Solve for x
    x = 270,003,943.03/17,377.79
  6. Step 6: Final answer
    x = 15,537.30

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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.