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Finding the Fourth Proportional to 69,609.62, 104,416.47 and 17,019.09

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Solution

The fourth proportional to 69,609.62, 104,416.47 and 17,019.09 is: 25,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,609.62 : 104,416.47 = 17,019.09 : x
  2. Step 2: Convert to fraction form
    69,609.62/104,416.47 = 17,019.09/x
  3. Step 3: Cross multiply
    69,609.62x = 104,416.47 × 17,019.09
  4. Step 4: Simplify right side
    69,609.62x = 1,777,073,300.41
  5. Step 5: Solve for x
    x = 1,777,073,300.41/69,609.62
  6. Step 6: Final answer
    x = 25,529.14

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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.