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Finding the Fourth Proportional to 69,283.60, 95,609.04 and 43,803.68

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Solution

The fourth proportional to 69,283.60, 95,609.04 and 43,803.68 is: 60,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,283.60 : 95,609.04 = 43,803.68 : x
  2. Step 2: Convert to fraction form
    69,283.60/95,609.04 = 43,803.68/x
  3. Step 3: Cross multiply
    69,283.60x = 95,609.04 × 43,803.68
  4. Step 4: Simplify right side
    69,283.60x = 4,188,027,793.27
  5. Step 5: Solve for x
    x = 4,188,027,793.27/69,283.60
  6. Step 6: Final answer
    x = 60,447.61

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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.