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Finding the Fourth Proportional to 11,362.80, 17,045.10 and 3,967.10

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Solution

The fourth proportional to 11,362.80, 17,045.10 and 3,967.10 is: 5,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.80 : 17,045.10 = 3,967.10 : x
  2. Step 2: Convert to fraction form
    11,362.80/17,045.10 = 3,967.10/x
  3. Step 3: Cross multiply
    11,362.80x = 17,045.10 × 3,967.10
  4. Step 4: Simplify right side
    11,362.80x = 67,619,616.21
  5. Step 5: Solve for x
    x = 67,619,616.21/11,362.80
  6. Step 6: Final answer
    x = 5,950.96

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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.