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Finding the Fourth Proportional to 33,193.87, 45,807.12 and 18,087.16

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Solution

The fourth proportional to 33,193.87, 45,807.12 and 18,087.16 is: 24,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,193.87 : 45,807.12 = 18,087.16 : x
  2. Step 2: Convert to fraction form
    33,193.87/45,807.12 = 18,087.16/x
  3. Step 3: Cross multiply
    33,193.87x = 45,807.12 × 18,087.16
  4. Step 4: Simplify right side
    33,193.87x = 828,520,708.58
  5. Step 5: Solve for x
    x = 828,520,708.58/33,193.87
  6. Step 6: Final answer
    x = 24,960.05

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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.