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Finding the Fourth Proportional to 33,160.50, 45,761.49 and 18,256.50

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Solution

The fourth proportional to 33,160.50, 45,761.49 and 18,256.50 is: 25,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.50 : 45,761.49 = 18,256.50 : x
  2. Step 2: Convert to fraction form
    33,160.50/45,761.49 = 18,256.50/x
  3. Step 3: Cross multiply
    33,160.50x = 45,761.49 × 18,256.50
  4. Step 4: Simplify right side
    33,160.50x = 835,444,642.19
  5. Step 5: Solve for x
    x = 835,444,642.19/33,160.50
  6. Step 6: Final answer
    x = 25,193.97

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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.