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Finding the Fourth Proportional to 17,473.82, 26,216.64 and 7,619.55

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Solution

The fourth proportional to 17,473.82, 26,216.64 and 7,619.55 is: 11,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,473.82 : 26,216.64 = 7,619.55 : x
  2. Step 2: Convert to fraction form
    17,473.82/26,216.64 = 7,619.55/x
  3. Step 3: Cross multiply
    17,473.82x = 26,216.64 × 7,619.55
  4. Step 4: Simplify right side
    17,473.82x = 199,758,999.31
  5. Step 5: Solve for x
    x = 199,758,999.31/17,473.82
  6. Step 6: Final answer
    x = 11,431.91

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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.