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Finding the Fourth Proportional to 50,745.34, 70,035.92 and 29,536.30

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Solution

The fourth proportional to 50,745.34, 70,035.92 and 29,536.30 is: 40,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.34 : 70,035.92 = 29,536.30 : x
  2. Step 2: Convert to fraction form
    50,745.34/70,035.92 = 29,536.30/x
  3. Step 3: Cross multiply
    50,745.34x = 70,035.92 × 29,536.30
  4. Step 4: Simplify right side
    50,745.34x = 2,068,601,943.90
  5. Step 5: Solve for x
    x = 2,068,601,943.90/50,745.34
  6. Step 6: Final answer
    x = 40,764.37

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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.