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Finding the Fourth Proportional to 33,188.99, 45,799.49 and 18,081.77

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Solution

The fourth proportional to 33,188.99, 45,799.49 and 18,081.77 is: 24,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.99 : 45,799.49 = 18,081.77 : x
  2. Step 2: Convert to fraction form
    33,188.99/45,799.49 = 18,081.77/x
  3. Step 3: Cross multiply
    33,188.99x = 45,799.49 × 18,081.77
  4. Step 4: Simplify right side
    33,188.99x = 828,135,753.89
  5. Step 5: Solve for x
    x = 828,135,753.89/33,188.99
  6. Step 6: Final answer
    x = 24,952.12

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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.