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Finding the Fourth Proportional to 12,092.80, 18,204.40 and 11,004.16

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Solution

The fourth proportional to 12,092.80, 18,204.40 and 11,004.16 is: 16,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.80 : 18,204.40 = 11,004.16 : x
  2. Step 2: Convert to fraction form
    12,092.80/18,204.40 = 11,004.16/x
  3. Step 3: Cross multiply
    12,092.80x = 18,204.40 × 11,004.16
  4. Step 4: Simplify right side
    12,092.80x = 200,324,130.30
  5. Step 5: Solve for x
    x = 200,324,130.30/12,092.80
  6. Step 6: Final answer
    x = 16,565.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.