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Finding the Fourth Proportional to 35,474.75, 48,949.82 and 20,368.04

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Solution

The fourth proportional to 35,474.75, 48,949.82 and 20,368.04 is: 28,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.75 : 48,949.82 = 20,368.04 : x
  2. Step 2: Convert to fraction form
    35,474.75/48,949.82 = 20,368.04/x
  3. Step 3: Cross multiply
    35,474.75x = 48,949.82 × 20,368.04
  4. Step 4: Simplify right side
    35,474.75x = 997,011,912.29
  5. Step 5: Solve for x
    x = 997,011,912.29/35,474.75
  6. Step 6: Final answer
    x = 28,104.84

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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.