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Finding the Fourth Proportional to 33,139.50, 45,731.13 and 18,032.22

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Solution

The fourth proportional to 33,139.50, 45,731.13 and 18,032.22 is: 24,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.50 : 45,731.13 = 18,032.22 : x
  2. Step 2: Convert to fraction form
    33,139.50/45,731.13 = 18,032.22/x
  3. Step 3: Cross multiply
    33,139.50x = 45,731.13 × 18,032.22
  4. Step 4: Simplify right side
    33,139.50x = 824,633,797.01
  5. Step 5: Solve for x
    x = 824,633,797.01/33,139.50
  6. Step 6: Final answer
    x = 24,883.71

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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.