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Finding the Fourth Proportional to 17,765.82, 26,648.82 and 7,377.57

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Solution

The fourth proportional to 17,765.82, 26,648.82 and 7,377.57 is: 11,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.82 : 26,648.82 = 7,377.57 : x
  2. Step 2: Convert to fraction form
    17,765.82/26,648.82 = 7,377.57/x
  3. Step 3: Cross multiply
    17,765.82x = 26,648.82 × 7,377.57
  4. Step 4: Simplify right side
    17,765.82x = 196,603,534.97
  5. Step 5: Solve for x
    x = 196,603,534.97/17,765.82
  6. Step 6: Final answer
    x = 11,066.39

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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.