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Finding the Fourth Proportional to 17,609.79, 26,404.97 and 7,228.83

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Solution

The fourth proportional to 17,609.79, 26,404.97 and 7,228.83 is: 10,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.79 : 26,404.97 = 7,228.83 : x
  2. Step 2: Convert to fraction form
    17,609.79/26,404.97 = 7,228.83/x
  3. Step 3: Cross multiply
    17,609.79x = 26,404.97 × 7,228.83
  4. Step 4: Simplify right side
    17,609.79x = 190,877,003.14
  5. Step 5: Solve for x
    x = 190,877,003.14/17,609.79
  6. Step 6: Final answer
    x = 10,839.25

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1.5x scale

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.