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Finding the Fourth Proportional to 17,609.53, 26,412.99 and 6,511.03

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Solution

The fourth proportional to 17,609.53, 26,412.99 and 6,511.03 is: 9,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.53 : 26,412.99 = 6,511.03 : x
  2. Step 2: Convert to fraction form
    17,609.53/26,412.99 = 6,511.03/x
  3. Step 3: Cross multiply
    17,609.53x = 26,412.99 × 6,511.03
  4. Step 4: Simplify right side
    17,609.53x = 171,975,770.28
  5. Step 5: Solve for x
    x = 171,975,770.28/17,609.53
  6. Step 6: Final answer
    x = 9,766.06

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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.