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Finding the Fourth Proportional to 50,628.96, 69,861.96 and 29,404.80

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Solution

The fourth proportional to 50,628.96, 69,861.96 and 29,404.80 is: 40,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,628.96 : 69,861.96 = 29,404.80 : x
  2. Step 2: Convert to fraction form
    50,628.96/69,861.96 = 29,404.80/x
  3. Step 3: Cross multiply
    50,628.96x = 69,861.96 × 29,404.80
  4. Step 4: Simplify right side
    50,628.96x = 2,054,276,961.41
  5. Step 5: Solve for x
    x = 2,054,276,961.41/50,628.96
  6. Step 6: Final answer
    x = 40,575.14

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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.