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Finding the Fourth Proportional to 17,698.98, 26,559.28 and 7,309.38

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Solution

The fourth proportional to 17,698.98, 26,559.28 and 7,309.38 is: 10,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.98 : 26,559.28 = 7,309.38 : x
  2. Step 2: Convert to fraction form
    17,698.98/26,559.28 = 7,309.38/x
  3. Step 3: Cross multiply
    17,698.98x = 26,559.28 × 7,309.38
  4. Step 4: Simplify right side
    17,698.98x = 194,131,870.05
  5. Step 5: Solve for x
    x = 194,131,870.05/17,698.98
  6. Step 6: Final answer
    x = 10,968.53

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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.