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Finding the Fourth Proportional to 84,761.14, 116,974.02 and 47,035.39

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Solution

The fourth proportional to 84,761.14, 116,974.02 and 47,035.39 is: 64,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,761.14 : 116,974.02 = 47,035.39 : x
  2. Step 2: Convert to fraction form
    84,761.14/116,974.02 = 47,035.39/x
  3. Step 3: Cross multiply
    84,761.14x = 116,974.02 × 47,035.39
  4. Step 4: Simplify right side
    84,761.14x = 5,501,918,650.57
  5. Step 5: Solve for x
    x = 5,501,918,650.57/84,761.14
  6. Step 6: Final answer
    x = 64,910.86

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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.