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Finding the Fourth Proportional to 17,323.76, 25,982.94 and 5,636.90

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Solution

The fourth proportional to 17,323.76, 25,982.94 and 5,636.90 is: 8,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323.76 : 25,982.94 = 5,636.90 : x
  2. Step 2: Convert to fraction form
    17,323.76/25,982.94 = 5,636.90/x
  3. Step 3: Cross multiply
    17,323.76x = 25,982.94 × 5,636.90
  4. Step 4: Simplify right side
    17,323.76x = 146,463,234.49
  5. Step 5: Solve for x
    x = 146,463,234.49/17,323.76
  6. Step 6: Final answer
    x = 8,454.47

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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.