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Finding the Fourth Proportional to 33,173.48, 45,779.94 and 18,269.48

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Solution

The fourth proportional to 33,173.48, 45,779.94 and 18,269.48 is: 25,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.48 : 45,779.94 = 18,269.48 : x
  2. Step 2: Convert to fraction form
    33,173.48/45,779.94 = 18,269.48/x
  3. Step 3: Cross multiply
    33,173.48x = 45,779.94 × 18,269.48
  4. Step 4: Simplify right side
    33,173.48x = 836,375,698.23
  5. Step 5: Solve for x
    x = 836,375,698.23/33,173.48
  6. Step 6: Final answer
    x = 25,212.18

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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.