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Finding the Fourth Proportional to 17,809.90, 24,576.68 and 9,741.96

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Solution

The fourth proportional to 17,809.90, 24,576.68 and 9,741.96 is: 13,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.90 : 24,576.68 = 9,741.96 : x
  2. Step 2: Convert to fraction form
    17,809.90/24,576.68 = 9,741.96/x
  3. Step 3: Cross multiply
    17,809.90x = 24,576.68 × 9,741.96
  4. Step 4: Simplify right side
    17,809.90x = 239,425,057.85
  5. Step 5: Solve for x
    x = 239,425,057.85/17,809.90
  6. Step 6: Final answer
    x = 13,443.37

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1.5x scale

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.