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Finding the Fourth Proportional to 67,295.10, 100,906.20 and 27,807.60

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Solution

The fourth proportional to 67,295.10, 100,906.20 and 27,807.60 is: 41,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.10 : 100,906.20 = 27,807.60 : x
  2. Step 2: Convert to fraction form
    67,295.10/100,906.20 = 27,807.60/x
  3. Step 3: Cross multiply
    67,295.10x = 100,906.20 × 27,807.60
  4. Step 4: Simplify right side
    67,295.10x = 2,805,959,247.12
  5. Step 5: Solve for x
    x = 2,805,959,247.12/67,295.10
  6. Step 6: Final answer
    x = 41,696.34

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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.