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Finding the Fourth Proportional to 17,652.88, 26,472.64 and 7,119.32

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Solution

The fourth proportional to 17,652.88, 26,472.64 and 7,119.32 is: 10,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.88 : 26,472.64 = 7,119.32 : x
  2. Step 2: Convert to fraction form
    17,652.88/26,472.64 = 7,119.32/x
  3. Step 3: Cross multiply
    17,652.88x = 26,472.64 × 7,119.32
  4. Step 4: Simplify right side
    17,652.88x = 188,467,195.40
  5. Step 5: Solve for x
    x = 188,467,195.40/17,652.88
  6. Step 6: Final answer
    x = 10,676.29

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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.