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Finding the Fourth Proportional to 17,791.44, 24,552.88 and 11,812.80

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Solution

The fourth proportional to 17,791.44, 24,552.88 and 11,812.80 is: 16,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.44 : 24,552.88 = 11,812.80 : x
  2. Step 2: Convert to fraction form
    17,791.44/24,552.88 = 11,812.80/x
  3. Step 3: Cross multiply
    17,791.44x = 24,552.88 × 11,812.80
  4. Step 4: Simplify right side
    17,791.44x = 290,038,260.86
  5. Step 5: Solve for x
    x = 290,038,260.86/17,791.44
  6. Step 6: Final answer
    x = 16,302.12

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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.