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Finding the Fourth Proportional to 17,478.00, 24,120.68 and 13,163.49

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Solution

The fourth proportional to 17,478.00, 24,120.68 and 13,163.49 is: 18,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.00 : 24,120.68 = 13,163.49 : x
  2. Step 2: Convert to fraction form
    17,478.00/24,120.68 = 13,163.49/x
  3. Step 3: Cross multiply
    17,478.00x = 24,120.68 × 13,163.49
  4. Step 4: Simplify right side
    17,478.00x = 317,512,233.34
  5. Step 5: Solve for x
    x = 317,512,233.34/17,478.00
  6. Step 6: Final answer
    x = 18,166.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.