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Finding the Fourth Proportional to 17,369.80, 26,048.22 and 6,978.04

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Solution

The fourth proportional to 17,369.80, 26,048.22 and 6,978.04 is: 10,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.80 : 26,048.22 = 6,978.04 : x
  2. Step 2: Convert to fraction form
    17,369.80/26,048.22 = 6,978.04/x
  3. Step 3: Cross multiply
    17,369.80x = 26,048.22 × 6,978.04
  4. Step 4: Simplify right side
    17,369.80x = 181,765,521.09
  5. Step 5: Solve for x
    x = 181,765,521.09/17,369.80
  6. Step 6: Final answer
    x = 10,464.46

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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.