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Finding the Fourth Proportional to 17,676.46, 24,393.99 and 9,719.02

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Solution

The fourth proportional to 17,676.46, 24,393.99 and 9,719.02 is: 13,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.46 : 24,393.99 = 9,719.02 : x
  2. Step 2: Convert to fraction form
    17,676.46/24,393.99 = 9,719.02/x
  3. Step 3: Cross multiply
    17,676.46x = 24,393.99 × 9,719.02
  4. Step 4: Simplify right side
    17,676.46x = 237,085,676.69
  5. Step 5: Solve for x
    x = 237,085,676.69/17,676.46
  6. Step 6: Final answer
    x = 13,412.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.