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Finding the Fourth Proportional to 17,651.21, 26,460.54 and 7,649.64

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Solution

The fourth proportional to 17,651.21, 26,460.54 and 7,649.64 is: 11,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.21 : 26,460.54 = 7,649.64 : x
  2. Step 2: Convert to fraction form
    17,651.21/26,460.54 = 7,649.64/x
  3. Step 3: Cross multiply
    17,651.21x = 26,460.54 × 7,649.64
  4. Step 4: Simplify right side
    17,651.21x = 202,413,605.21
  5. Step 5: Solve for x
    x = 202,413,605.21/17,651.21
  6. Step 6: Final answer
    x = 11,467.41

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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.