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Finding the Fourth Proportional to 57,748.80, 79,698.96 and 35,082.84

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Solution

The fourth proportional to 57,748.80, 79,698.96 and 35,082.84 is: 48,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.80 : 79,698.96 = 35,082.84 : x
  2. Step 2: Convert to fraction form
    57,748.80/79,698.96 = 35,082.84/x
  3. Step 3: Cross multiply
    57,748.80x = 79,698.96 × 35,082.84
  4. Step 4: Simplify right side
    57,748.80x = 2,796,065,861.85
  5. Step 5: Solve for x
    x = 2,796,065,861.85/57,748.80
  6. Step 6: Final answer
    x = 48,417.73

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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.