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Finding the Fourth Proportional to 33,503.70, 46,231.65 and 20,074.61

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Solution

The fourth proportional to 33,503.70, 46,231.65 and 20,074.61 is: 27,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,503.70 : 46,231.65 = 20,074.61 : x
  2. Step 2: Convert to fraction form
    33,503.70/46,231.65 = 20,074.61/x
  3. Step 3: Cross multiply
    33,503.70x = 46,231.65 × 20,074.61
  4. Step 4: Simplify right side
    33,503.70x = 928,082,278.01
  5. Step 5: Solve for x
    x = 928,082,278.01/33,503.70
  6. Step 6: Final answer
    x = 27,700.89

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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.