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Finding the Fourth Proportional to 5,938.19, 8,911.22 and 3,166.86

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Solution

The fourth proportional to 5,938.19, 8,911.22 and 3,166.86 is: 4,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.19 : 8,911.22 = 3,166.86 : x
  2. Step 2: Convert to fraction form
    5,938.19/8,911.22 = 3,166.86/x
  3. Step 3: Cross multiply
    5,938.19x = 8,911.22 × 3,166.86
  4. Step 4: Simplify right side
    5,938.19x = 28,220,630.47
  5. Step 5: Solve for x
    x = 28,220,630.47/5,938.19
  6. Step 6: Final answer
    x = 4,752.39

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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.