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Finding the Fourth Proportional to 22,033.98, 30,405.99 and 11,962.03

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Solution

The fourth proportional to 22,033.98, 30,405.99 and 11,962.03 is: 16,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.98 : 30,405.99 = 11,962.03 : x
  2. Step 2: Convert to fraction form
    22,033.98/30,405.99 = 11,962.03/x
  3. Step 3: Cross multiply
    22,033.98x = 30,405.99 × 11,962.03
  4. Step 4: Simplify right side
    22,033.98x = 363,717,364.56
  5. Step 5: Solve for x
    x = 363,717,364.56/22,033.98
  6. Step 6: Final answer
    x = 16,507.11

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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.