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Finding the Fourth Proportional to 17,673.69, 26,506.44 and 7,807.59

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Solution

The fourth proportional to 17,673.69, 26,506.44 and 7,807.59 is: 11,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.69 : 26,506.44 = 7,807.59 : x
  2. Step 2: Convert to fraction form
    17,673.69/26,506.44 = 7,807.59/x
  3. Step 3: Cross multiply
    17,673.69x = 26,506.44 × 7,807.59
  4. Step 4: Simplify right side
    17,673.69x = 206,951,415.88
  5. Step 5: Solve for x
    x = 206,951,415.88/17,673.69
  6. Step 6: Final answer
    x = 11,709.57

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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.