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Finding the Fourth Proportional to 33,550.20, 45,331.65 and 33,550.20

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Solution

The fourth proportional to 33,550.20, 45,331.65 and 33,550.20 is: 45,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,550.20 : 45,331.65 = 33,550.20 : x
  2. Step 2: Convert to fraction form
    33,550.20/45,331.65 = 33,550.20/x
  3. Step 3: Cross multiply
    33,550.20x = 45,331.65 × 33,550.20
  4. Step 4: Simplify right side
    33,550.20x = 1,520,885,923.83
  5. Step 5: Solve for x
    x = 1,520,885,923.83/33,550.20
  6. Step 6: Final answer
    x = 45,331.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.