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Finding the Fourth Proportional to 75,755.83, 104,543.77 and 41,765.56

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Solution

The fourth proportional to 75,755.83, 104,543.77 and 41,765.56 is: 57,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,755.83 : 104,543.77 = 41,765.56 : x
  2. Step 2: Convert to fraction form
    75,755.83/104,543.77 = 41,765.56/x
  3. Step 3: Cross multiply
    75,755.83x = 104,543.77 × 41,765.56
  4. Step 4: Simplify right side
    75,755.83x = 4,366,329,098.56
  5. Step 5: Solve for x
    x = 4,366,329,098.56/75,755.83
  6. Step 6: Final answer
    x = 57,636.87

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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.