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Finding the Fourth Proportional to 22,241.80, 33,362.70 and 21,804.40

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Solution

The fourth proportional to 22,241.80, 33,362.70 and 21,804.40 is: 32,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.80 : 33,362.70 = 21,804.40 : x
  2. Step 2: Convert to fraction form
    22,241.80/33,362.70 = 21,804.40/x
  3. Step 3: Cross multiply
    22,241.80x = 33,362.70 × 21,804.40
  4. Step 4: Simplify right side
    22,241.80x = 727,453,655.88
  5. Step 5: Solve for x
    x = 727,453,655.88/22,241.80
  6. Step 6: Final answer
    x = 32,706.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.