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Finding the Fourth Proportional to 75,951.90, 104,810.94 and 41,959.80

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Solution

The fourth proportional to 75,951.90, 104,810.94 and 41,959.80 is: 57,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,951.90 : 104,810.94 = 41,959.80 : x
  2. Step 2: Convert to fraction form
    75,951.90/104,810.94 = 41,959.80/x
  3. Step 3: Cross multiply
    75,951.90x = 104,810.94 × 41,959.80
  4. Step 4: Simplify right side
    75,951.90x = 4,397,846,080.21
  5. Step 5: Solve for x
    x = 4,397,846,080.21/75,951.90
  6. Step 6: Final answer
    x = 57,903.04

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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.