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Finding the Fourth Proportional to 17,245.88, 25,868.82 and 5,559.10

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Solution

The fourth proportional to 17,245.88, 25,868.82 and 5,559.10 is: 8,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.88 : 25,868.82 = 5,559.10 : x
  2. Step 2: Convert to fraction form
    17,245.88/25,868.82 = 5,559.10/x
  3. Step 3: Cross multiply
    17,245.88x = 25,868.82 × 5,559.10
  4. Step 4: Simplify right side
    17,245.88x = 143,807,357.26
  5. Step 5: Solve for x
    x = 143,807,357.26/17,245.88
  6. Step 6: Final answer
    x = 8,338.65

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Similar ratio
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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.