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Finding the Fourth Proportional to 56,627.96, 85,007.56 and 30,383.96

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Solution

The fourth proportional to 56,627.96, 85,007.56 and 30,383.96 is: 45,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,627.96 : 85,007.56 = 30,383.96 : x
  2. Step 2: Convert to fraction form
    56,627.96/85,007.56 = 30,383.96/x
  3. Step 3: Cross multiply
    56,627.96x = 85,007.56 × 30,383.96
  4. Step 4: Simplify right side
    56,627.96x = 2,582,866,336.88
  5. Step 5: Solve for x
    x = 2,582,866,336.88/56,627.96
  6. Step 6: Final answer
    x = 45,611.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.