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Finding the Fourth Proportional to 17,907.10, 26,849.79 and 6,814.54

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Solution

The fourth proportional to 17,907.10, 26,849.79 and 6,814.54 is: 10,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.10 : 26,849.79 = 6,814.54 : x
  2. Step 2: Convert to fraction form
    17,907.10/26,849.79 = 6,814.54/x
  3. Step 3: Cross multiply
    17,907.10x = 26,849.79 × 6,814.54
  4. Step 4: Simplify right side
    17,907.10x = 182,968,967.95
  5. Step 5: Solve for x
    x = 182,968,967.95/17,907.10
  6. Step 6: Final answer
    x = 10,217.68

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1.5x scale

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.