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Finding the Fourth Proportional to 22,038.96, 33,080.22 and 11,519.40

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Solution

The fourth proportional to 22,038.96, 33,080.22 and 11,519.40 is: 17,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.96 : 33,080.22 = 11,519.40 : x
  2. Step 2: Convert to fraction form
    22,038.96/33,080.22 = 11,519.40/x
  3. Step 3: Cross multiply
    22,038.96x = 33,080.22 × 11,519.40
  4. Step 4: Simplify right side
    22,038.96x = 381,064,286.27
  5. Step 5: Solve for x
    x = 381,064,286.27/22,038.96
  6. Step 6: Final answer
    x = 17,290.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.