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Finding the Fourth Proportional to 33,192, 45,807.84 and 18,290.88

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Solution

The fourth proportional to 33,192, 45,807.84 and 18,290.88 is: 25,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,192 : 45,807.84 = 18,290.88 : x
  2. Step 2: Convert to fraction form
    33,192/45,807.84 = 18,290.88/x
  3. Step 3: Cross multiply
    33,192x = 45,807.84 × 18,290.88
  4. Step 4: Simplify right side
    33,192x = 837,865,704.50
  5. Step 5: Solve for x
    x = 837,865,704.50/33,192
  6. Step 6: Final answer
    x = 25,243.00

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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.