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Finding the Fourth Proportional to 17,213.40, 25,820.09 and 5,534.82

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Solution

The fourth proportional to 17,213.40, 25,820.09 and 5,534.82 is: 8,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.40 : 25,820.09 = 5,534.82 : x
  2. Step 2: Convert to fraction form
    17,213.40/25,820.09 = 5,534.82/x
  3. Step 3: Cross multiply
    17,213.40x = 25,820.09 × 5,534.82
  4. Step 4: Simplify right side
    17,213.40x = 142,909,435.27
  5. Step 5: Solve for x
    x = 142,909,435.27/17,213.40
  6. Step 6: Final answer
    x = 8,302.22

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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.