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Finding the Fourth Proportional to 69,517.40, 104,276.10 and 43,273.40

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Solution

The fourth proportional to 69,517.40, 104,276.10 and 43,273.40 is: 64,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,517.40 : 104,276.10 = 43,273.40 : x
  2. Step 2: Convert to fraction form
    69,517.40/104,276.10 = 43,273.40/x
  3. Step 3: Cross multiply
    69,517.40x = 104,276.10 × 43,273.40
  4. Step 4: Simplify right side
    69,517.40x = 4,512,381,385.74
  5. Step 5: Solve for x
    x = 4,512,381,385.74/69,517.40
  6. Step 6: Final answer
    x = 64,910.10

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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.