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Finding the Fourth Proportional to 83,625.87, 125,442.95 and 33,699.29

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Solution

The fourth proportional to 83,625.87, 125,442.95 and 33,699.29 is: 50,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,625.87 : 125,442.95 = 33,699.29 : x
  2. Step 2: Convert to fraction form
    83,625.87/125,442.95 = 33,699.29/x
  3. Step 3: Cross multiply
    83,625.87x = 125,442.95 × 33,699.29
  4. Step 4: Simplify right side
    83,625.87x = 4,227,338,350.51
  5. Step 5: Solve for x
    x = 4,227,338,350.51/83,625.87
  6. Step 6: Final answer
    x = 50,550.61

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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.