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Finding the Fourth Proportional to 17,158.50, 25,742.07 and 4,846.50

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Solution

The fourth proportional to 17,158.50, 25,742.07 and 4,846.50 is: 7,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,158.50 : 25,742.07 = 4,846.50 : x
  2. Step 2: Convert to fraction form
    17,158.50/25,742.07 = 4,846.50/x
  3. Step 3: Cross multiply
    17,158.50x = 25,742.07 × 4,846.50
  4. Step 4: Simplify right side
    17,158.50x = 124,758,942.26
  5. Step 5: Solve for x
    x = 124,758,942.26/17,158.50
  6. Step 6: Final answer
    x = 7,270.97

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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.