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Finding the Fourth Proportional to 22,308.60, 33,454.80 and 11,211.60

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Solution

The fourth proportional to 22,308.60, 33,454.80 and 11,211.60 is: 16,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.60 : 33,454.80 = 11,211.60 : x
  2. Step 2: Convert to fraction form
    22,308.60/33,454.80 = 11,211.60/x
  3. Step 3: Cross multiply
    22,308.60x = 33,454.80 × 11,211.60
  4. Step 4: Simplify right side
    22,308.60x = 375,081,835.68
  5. Step 5: Solve for x
    x = 375,081,835.68/22,308.60
  6. Step 6: Final answer
    x = 16,813.33

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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.