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Finding the Fourth Proportional to 17,219.56, 25,829.22 and 4,907.56

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Solution

The fourth proportional to 17,219.56, 25,829.22 and 4,907.56 is: 7,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.56 : 25,829.22 = 4,907.56 : x
  2. Step 2: Convert to fraction form
    17,219.56/25,829.22 = 4,907.56/x
  3. Step 3: Cross multiply
    17,219.56x = 25,829.22 × 4,907.56
  4. Step 4: Simplify right side
    17,219.56x = 126,758,446.90
  5. Step 5: Solve for x
    x = 126,758,446.90/17,219.56
  6. Step 6: Final answer
    x = 7,361.31

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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.