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Finding the Fourth Proportional to 11,469.96, 17,220.74 and 5,927.12

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Solution

The fourth proportional to 11,469.96, 17,220.74 and 5,927.12 is: 8,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.96 : 17,220.74 = 5,927.12 : x
  2. Step 2: Convert to fraction form
    11,469.96/17,220.74 = 5,927.12/x
  3. Step 3: Cross multiply
    11,469.96x = 17,220.74 × 5,927.12
  4. Step 4: Simplify right side
    11,469.96x = 102,069,392.47
  5. Step 5: Solve for x
    x = 102,069,392.47/11,469.96
  6. Step 6: Final answer
    x = 8,898.84

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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.