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Finding the Fourth Proportional to 17,438.80, 26,169 and 7,050.64

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Solution

The fourth proportional to 17,438.80, 26,169 and 7,050.64 is: 10,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.80 : 26,169 = 7,050.64 : x
  2. Step 2: Convert to fraction form
    17,438.80/26,169 = 7,050.64/x
  3. Step 3: Cross multiply
    17,438.80x = 26,169 × 7,050.64
  4. Step 4: Simplify right side
    17,438.80x = 184,508,198.16
  5. Step 5: Solve for x
    x = 184,508,198.16/17,438.80
  6. Step 6: Final answer
    x = 10,580.33

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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.