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Finding the Fourth Proportional to 50,745.35, 70,035.84 and 29,531.45

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Solution

The fourth proportional to 50,745.35, 70,035.84 and 29,531.45 is: 40,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.35 : 70,035.84 = 29,531.45 : x
  2. Step 2: Convert to fraction form
    50,745.35/70,035.84 = 29,531.45/x
  3. Step 3: Cross multiply
    50,745.35x = 70,035.84 × 29,531.45
  4. Step 4: Simplify right side
    50,745.35x = 2,068,260,082.26
  5. Step 5: Solve for x
    x = 2,068,260,082.26/50,745.35
  6. Step 6: Final answer
    x = 40,757.63

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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.