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Finding the Fourth Proportional to 33,060, 45,623.88 and 18,156

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Solution

The fourth proportional to 33,060, 45,623.88 and 18,156 is: 25,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060 : 45,623.88 = 18,156 : x
  2. Step 2: Convert to fraction form
    33,060/45,623.88 = 18,156/x
  3. Step 3: Cross multiply
    33,060x = 45,623.88 × 18,156
  4. Step 4: Simplify right side
    33,060x = 828,347,165.28
  5. Step 5: Solve for x
    x = 828,347,165.28/33,060
  6. Step 6: Final answer
    x = 25,055.87

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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.