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Finding the Fourth Proportional to 5,445.69, 7,514.99 and 2,961.69

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Solution

The fourth proportional to 5,445.69, 7,514.99 and 2,961.69 is: 4,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.69 : 7,514.99 = 2,961.69 : x
  2. Step 2: Convert to fraction form
    5,445.69/7,514.99 = 2,961.69/x
  3. Step 3: Cross multiply
    5,445.69x = 7,514.99 × 2,961.69
  4. Step 4: Simplify right side
    5,445.69x = 22,257,033.16
  5. Step 5: Solve for x
    x = 22,257,033.16/5,445.69
  6. Step 6: Final answer
    x = 4,087.10

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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.