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Finding the Fourth Proportional to 22,355.80, 33,552.60 and 9,217.60

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Solution

The fourth proportional to 22,355.80, 33,552.60 and 9,217.60 is: 13,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.80 : 33,552.60 = 9,217.60 : x
  2. Step 2: Convert to fraction form
    22,355.80/33,552.60 = 9,217.60/x
  3. Step 3: Cross multiply
    22,355.80x = 33,552.60 × 9,217.60
  4. Step 4: Simplify right side
    22,355.80x = 309,274,445.76
  5. Step 5: Solve for x
    x = 309,274,445.76/22,355.80
  6. Step 6: Final answer
    x = 13,834.19

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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.