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Finding the Fourth Proportional to 50,858.70, 70,181.57 and 29,349.34

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Solution

The fourth proportional to 50,858.70, 70,181.57 and 29,349.34 is: 40,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,858.70 : 70,181.57 = 29,349.34 : x
  2. Step 2: Convert to fraction form
    50,858.70/70,181.57 = 29,349.34/x
  3. Step 3: Cross multiply
    50,858.70x = 70,181.57 × 29,349.34
  4. Step 4: Simplify right side
    50,858.70x = 2,059,782,668.75
  5. Step 5: Solve for x
    x = 2,059,782,668.75/50,858.70
  6. Step 6: Final answer
    x = 40,500.11

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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.