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Finding the Fourth Proportional to 33,192, 45,805.92 and 18,288.96

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Solution

The fourth proportional to 33,192, 45,805.92 and 18,288.96 is: 25,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,192 : 45,805.92 = 18,288.96 : x
  2. Step 2: Convert to fraction form
    33,192/45,805.92 = 18,288.96/x
  3. Step 3: Cross multiply
    33,192x = 45,805.92 × 18,288.96
  4. Step 4: Simplify right side
    33,192x = 837,742,638.64
  5. Step 5: Solve for x
    x = 837,742,638.64/33,192
  6. Step 6: Final answer
    x = 25,239.29

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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.