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Finding the Fourth Proportional to 51,601.50, 71,211.15 and 29,245.50

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Solution

The fourth proportional to 51,601.50, 71,211.15 and 29,245.50 is: 40,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.50 : 71,211.15 = 29,245.50 : x
  2. Step 2: Convert to fraction form
    51,601.50/71,211.15 = 29,245.50/x
  3. Step 3: Cross multiply
    51,601.50x = 71,211.15 × 29,245.50
  4. Step 4: Simplify right side
    51,601.50x = 2,082,605,687.33
  5. Step 5: Solve for x
    x = 2,082,605,687.33/51,601.50
  6. Step 6: Final answer
    x = 40,359.40

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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.