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Finding the Fourth Proportional to 22,205.80, 33,235.80 and 17,248.60

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Solution

The fourth proportional to 22,205.80, 33,235.80 and 17,248.60 is: 25,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.80 : 33,235.80 = 17,248.60 : x
  2. Step 2: Convert to fraction form
    22,205.80/33,235.80 = 17,248.60/x
  3. Step 3: Cross multiply
    22,205.80x = 33,235.80 × 17,248.60
  4. Step 4: Simplify right side
    22,205.80x = 573,271,019.88
  5. Step 5: Solve for x
    x = 573,271,019.88/22,205.80
  6. Step 6: Final answer
    x = 25,816.27

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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.