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Finding the Fourth Proportional to 37,765.80, 52,117.41 and 20,770.80

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Solution

The fourth proportional to 37,765.80, 52,117.41 and 20,770.80 is: 28,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.80 : 52,117.41 = 20,770.80 : x
  2. Step 2: Convert to fraction form
    37,765.80/52,117.41 = 20,770.80/x
  3. Step 3: Cross multiply
    37,765.80x = 52,117.41 × 20,770.80
  4. Step 4: Simplify right side
    37,765.80x = 1,082,520,299.63
  5. Step 5: Solve for x
    x = 1,082,520,299.63/37,765.80
  6. Step 6: Final answer
    x = 28,664.04

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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.