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Finding the Fourth Proportional to 7,196, 10,794.36 and 6,817.28

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Solution

The fourth proportional to 7,196, 10,794.36 and 6,817.28 is: 10,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196 : 10,794.36 = 6,817.28 : x
  2. Step 2: Convert to fraction form
    7,196/10,794.36 = 6,817.28/x
  3. Step 3: Cross multiply
    7,196x = 10,794.36 × 6,817.28
  4. Step 4: Simplify right side
    7,196x = 73,588,174.54
  5. Step 5: Solve for x
    x = 73,588,174.54/7,196
  6. Step 6: Final answer
    x = 10,226.26

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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.