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Finding the Fourth Proportional to 17,019.45, 25,539.17 and 7,157.97

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Solution

The fourth proportional to 17,019.45, 25,539.17 and 7,157.97 is: 10,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.45 : 25,539.17 = 7,157.97 : x
  2. Step 2: Convert to fraction form
    17,019.45/25,539.17 = 7,157.97/x
  3. Step 3: Cross multiply
    17,019.45x = 25,539.17 × 7,157.97
  4. Step 4: Simplify right side
    17,019.45x = 182,808,576.90
  5. Step 5: Solve for x
    x = 182,808,576.90/17,019.45
  6. Step 6: Final answer
    x = 10,741.16

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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.