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Finding the Fourth Proportional to 51,596.80, 71,203.20 and 29,241.60

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Solution

The fourth proportional to 51,596.80, 71,203.20 and 29,241.60 is: 40,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,596.80 : 71,203.20 = 29,241.60 : x
  2. Step 2: Convert to fraction form
    51,596.80/71,203.20 = 29,241.60/x
  3. Step 3: Cross multiply
    51,596.80x = 71,203.20 × 29,241.60
  4. Step 4: Simplify right side
    51,596.80x = 2,082,095,493.12
  5. Step 5: Solve for x
    x = 2,082,095,493.12/51,596.80
  6. Step 6: Final answer
    x = 40,353.19

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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.