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Finding the Fourth Proportional to 17,359.66, 26,039.19 and 5,672.89

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Solution

The fourth proportional to 17,359.66, 26,039.19 and 5,672.89 is: 8,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.66 : 26,039.19 = 5,672.89 : x
  2. Step 2: Convert to fraction form
    17,359.66/26,039.19 = 5,672.89/x
  3. Step 3: Cross multiply
    17,359.66x = 26,039.19 × 5,672.89
  4. Step 4: Simplify right side
    17,359.66x = 147,717,460.56
  5. Step 5: Solve for x
    x = 147,717,460.56/17,359.66
  6. Step 6: Final answer
    x = 8,509.24

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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.