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Finding the Fourth Proportional to 22,047.48, 30,425.87 and 11,976.12

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Solution

The fourth proportional to 22,047.48, 30,425.87 and 11,976.12 is: 16,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.48 : 30,425.87 = 11,976.12 : x
  2. Step 2: Convert to fraction form
    22,047.48/30,425.87 = 11,976.12/x
  3. Step 3: Cross multiply
    22,047.48x = 30,425.87 × 11,976.12
  4. Step 4: Simplify right side
    22,047.48x = 364,383,810.34
  5. Step 5: Solve for x
    x = 364,383,810.34/22,047.48
  6. Step 6: Final answer
    x = 16,527.23

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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.