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Finding the Fourth Proportional to 57,441.96, 79,245.54 and 35,073

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Solution

The fourth proportional to 57,441.96, 79,245.54 and 35,073 is: 48,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441.96 : 79,245.54 = 35,073 : x
  2. Step 2: Convert to fraction form
    57,441.96/79,245.54 = 35,073/x
  3. Step 3: Cross multiply
    57,441.96x = 79,245.54 × 35,073
  4. Step 4: Simplify right side
    57,441.96x = 2,779,378,824.42
  5. Step 5: Solve for x
    x = 2,779,378,824.42/57,441.96
  6. Step 6: Final answer
    x = 48,385.86

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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.