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Finding the Fourth Proportional to 22,352.40, 33,550.20 and 19,069.20

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Solution

The fourth proportional to 22,352.40, 33,550.20 and 19,069.20 is: 28,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.40 : 33,550.20 = 19,069.20 : x
  2. Step 2: Convert to fraction form
    22,352.40/33,550.20 = 19,069.20/x
  3. Step 3: Cross multiply
    22,352.40x = 33,550.20 × 19,069.20
  4. Step 4: Simplify right side
    22,352.40x = 639,775,473.84
  5. Step 5: Solve for x
    x = 639,775,473.84/22,352.40
  6. Step 6: Final answer
    x = 28,622.23

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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.