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Finding the Fourth Proportional to 17,262.45, 25,907.85 and 8,945.01

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Solution

The fourth proportional to 17,262.45, 25,907.85 and 8,945.01 is: 13,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.45 : 25,907.85 = 8,945.01 : x
  2. Step 2: Convert to fraction form
    17,262.45/25,907.85 = 8,945.01/x
  3. Step 3: Cross multiply
    17,262.45x = 25,907.85 × 8,945.01
  4. Step 4: Simplify right side
    17,262.45x = 231,745,977.33
  5. Step 5: Solve for x
    x = 231,745,977.33/17,262.45
  6. Step 6: Final answer
    x = 13,424.86

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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.