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Finding the Fourth Proportional to 36,308.16, 50,103.60 and 21,201.60

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Solution

The fourth proportional to 36,308.16, 50,103.60 and 21,201.60 is: 29,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.16 : 50,103.60 = 21,201.60 : x
  2. Step 2: Convert to fraction form
    36,308.16/50,103.60 = 21,201.60/x
  3. Step 3: Cross multiply
    36,308.16x = 50,103.60 × 21,201.60
  4. Step 4: Simplify right side
    36,308.16x = 1,062,276,485.76
  5. Step 5: Solve for x
    x = 1,062,276,485.76/36,308.16
  6. Step 6: Final answer
    x = 29,257.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.