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Finding the Fourth Proportional to 22,220.40, 33,346.80 and 14,822.40

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Solution

The fourth proportional to 22,220.40, 33,346.80 and 14,822.40 is: 22,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.40 : 33,346.80 = 14,822.40 : x
  2. Step 2: Convert to fraction form
    22,220.40/33,346.80 = 14,822.40/x
  3. Step 3: Cross multiply
    22,220.40x = 33,346.80 × 14,822.40
  4. Step 4: Simplify right side
    22,220.40x = 494,279,608.32
  5. Step 5: Solve for x
    x = 494,279,608.32/22,220.40
  6. Step 6: Final answer
    x = 22,244.41

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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.