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Finding the Fourth Proportional to 73,770.85, 110,656.28 and 18,366.85

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Solution

The fourth proportional to 73,770.85, 110,656.28 and 18,366.85 is: 27,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,770.85 : 110,656.28 = 18,366.85 : x
  2. Step 2: Convert to fraction form
    73,770.85/110,656.28 = 18,366.85/x
  3. Step 3: Cross multiply
    73,770.85x = 110,656.28 × 18,366.85
  4. Step 4: Simplify right side
    73,770.85x = 2,032,407,204.48
  5. Step 5: Solve for x
    x = 2,032,407,204.48/73,770.85
  6. Step 6: Final answer
    x = 27,550.28

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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.