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Finding the Fourth Proportional to 17,003.50, 25,505.04 and 5,316.42

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Solution

The fourth proportional to 17,003.50, 25,505.04 and 5,316.42 is: 7,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.50 : 25,505.04 = 5,316.42 : x
  2. Step 2: Convert to fraction form
    17,003.50/25,505.04 = 5,316.42/x
  3. Step 3: Cross multiply
    17,003.50x = 25,505.04 × 5,316.42
  4. Step 4: Simplify right side
    17,003.50x = 135,595,504.76
  5. Step 5: Solve for x
    x = 135,595,504.76/17,003.50
  6. Step 6: Final answer
    x = 7,974.56

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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.