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Finding the Fourth Proportional to 53,410.40, 80,115.60 and 22,241.60

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Solution

The fourth proportional to 53,410.40, 80,115.60 and 22,241.60 is: 33,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,410.40 : 80,115.60 = 22,241.60 : x
  2. Step 2: Convert to fraction form
    53,410.40/80,115.60 = 22,241.60/x
  3. Step 3: Cross multiply
    53,410.40x = 80,115.60 × 22,241.60
  4. Step 4: Simplify right side
    53,410.40x = 1,781,899,128.96
  5. Step 5: Solve for x
    x = 1,781,899,128.96/53,410.40
  6. Step 6: Final answer
    x = 33,362.40

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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.