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Finding the Fourth Proportional to 22,488.88, 33,733.56 and 11,393.20

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Solution

The fourth proportional to 22,488.88, 33,733.56 and 11,393.20 is: 17,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.88 : 33,733.56 = 11,393.20 : x
  2. Step 2: Convert to fraction form
    22,488.88/33,733.56 = 11,393.20/x
  3. Step 3: Cross multiply
    22,488.88x = 33,733.56 × 11,393.20
  4. Step 4: Simplify right side
    22,488.88x = 384,333,195.79
  5. Step 5: Solve for x
    x = 384,333,195.79/22,488.88
  6. Step 6: Final answer
    x = 17,089.92

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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.