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Finding the Fourth Proportional to 5,951.91, 8,207.93 and 3,561.47

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Solution

The fourth proportional to 5,951.91, 8,207.93 and 3,561.47 is: 4,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,951.91 : 8,207.93 = 3,561.47 : x
  2. Step 2: Convert to fraction form
    5,951.91/8,207.93 = 3,561.47/x
  3. Step 3: Cross multiply
    5,951.91x = 8,207.93 × 3,561.47
  4. Step 4: Simplify right side
    5,951.91x = 29,232,295.10
  5. Step 5: Solve for x
    x = 29,232,295.10/5,951.91
  6. Step 6: Final answer
    x = 4,911.42

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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.