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Finding the Fourth Proportional to 22,048.46, 30,427.08 and 11,976.99

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Solution

The fourth proportional to 22,048.46, 30,427.08 and 11,976.99 is: 16,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.46 : 30,427.08 = 11,976.99 : x
  2. Step 2: Convert to fraction form
    22,048.46/30,427.08 = 11,976.99/x
  3. Step 3: Cross multiply
    22,048.46x = 30,427.08 × 11,976.99
  4. Step 4: Simplify right side
    22,048.46x = 364,424,832.89
  5. Step 5: Solve for x
    x = 364,424,832.89/22,048.46
  6. Step 6: Final answer
    x = 16,528.36

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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.