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Finding the Fourth Proportional to 50,749.62, 70,027.65 and 29,512.50

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Solution

The fourth proportional to 50,749.62, 70,027.65 and 29,512.50 is: 40,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.62 : 70,027.65 = 29,512.50 : x
  2. Step 2: Convert to fraction form
    50,749.62/70,027.65 = 29,512.50/x
  3. Step 3: Cross multiply
    50,749.62x = 70,027.65 × 29,512.50
  4. Step 4: Simplify right side
    50,749.62x = 2,066,691,020.63
  5. Step 5: Solve for x
    x = 2,066,691,020.63/50,749.62
  6. Step 6: Final answer
    x = 40,723.28

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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.