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Finding the Fourth Proportional to 50,480.64, 75,699.36 and 22,400.64

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Solution

The fourth proportional to 50,480.64, 75,699.36 and 22,400.64 is: 33,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,480.64 : 75,699.36 = 22,400.64 : x
  2. Step 2: Convert to fraction form
    50,480.64/75,699.36 = 22,400.64/x
  3. Step 3: Cross multiply
    50,480.64x = 75,699.36 × 22,400.64
  4. Step 4: Simplify right side
    50,480.64x = 1,695,714,111.59
  5. Step 5: Solve for x
    x = 1,695,714,111.59/50,480.64
  6. Step 6: Final answer
    x = 33,591.38

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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.