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Finding the Fourth Proportional to 50,534.70, 69,722.34 and 29,309.87

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Solution

The fourth proportional to 50,534.70, 69,722.34 and 29,309.87 is: 40,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,534.70 : 69,722.34 = 29,309.87 : x
  2. Step 2: Convert to fraction form
    50,534.70/69,722.34 = 29,309.87/x
  3. Step 3: Cross multiply
    50,534.70x = 69,722.34 × 29,309.87
  4. Step 4: Simplify right side
    50,534.70x = 2,043,552,372.88
  5. Step 5: Solve for x
    x = 2,043,552,372.88/50,534.70
  6. Step 6: Final answer
    x = 40,438.60

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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.