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Finding the Fourth Proportional to 66,887.92, 100,404.60 and 50,295.52

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Solution

The fourth proportional to 66,887.92, 100,404.60 and 50,295.52 is: 75,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.92 : 100,404.60 = 50,295.52 : x
  2. Step 2: Convert to fraction form
    66,887.92/100,404.60 = 50,295.52/x
  3. Step 3: Cross multiply
    66,887.92x = 100,404.60 × 50,295.52
  4. Step 4: Simplify right side
    66,887.92x = 5,049,901,567.39
  5. Step 5: Solve for x
    x = 5,049,901,567.39/66,887.92
  6. Step 6: Final answer
    x = 75,497.96

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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.