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Finding the Fourth Proportional to 75,605.55, 113,403.74 and 33,473.34

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Solution

The fourth proportional to 75,605.55, 113,403.74 and 33,473.34 is: 50,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.55 : 113,403.74 = 33,473.34 : x
  2. Step 2: Convert to fraction form
    75,605.55/113,403.74 = 33,473.34/x
  3. Step 3: Cross multiply
    75,605.55x = 113,403.74 × 33,473.34
  4. Step 4: Simplify right side
    75,605.55x = 3,796,001,778.92
  5. Step 5: Solve for x
    x = 3,796,001,778.92/75,605.55
  6. Step 6: Final answer
    x = 50,207.98

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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.