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Finding the Fourth Proportional to 11,531, 17,308.82 and 4,960.44

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Solution

The fourth proportional to 11,531, 17,308.82 and 4,960.44 is: 7,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531 : 17,308.82 = 4,960.44 : x
  2. Step 2: Convert to fraction form
    11,531/17,308.82 = 4,960.44/x
  3. Step 3: Cross multiply
    11,531x = 17,308.82 × 4,960.44
  4. Step 4: Simplify right side
    11,531x = 85,859,363.08
  5. Step 5: Solve for x
    x = 85,859,363.08/11,531
  6. Step 6: Final answer
    x = 7,445.96

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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.