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Finding the Fourth Proportional to 83,705.80, 125,578.44 and 27,550.32

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Solution

The fourth proportional to 83,705.80, 125,578.44 and 27,550.32 is: 41,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,705.80 : 125,578.44 = 27,550.32 : x
  2. Step 2: Convert to fraction form
    83,705.80/125,578.44 = 27,550.32/x
  3. Step 3: Cross multiply
    83,705.80x = 125,578.44 × 27,550.32
  4. Step 4: Simplify right side
    83,705.80x = 3,459,726,207.10
  5. Step 5: Solve for x
    x = 3,459,726,207.10/83,705.80
  6. Step 6: Final answer
    x = 41,331.98

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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.