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Finding the Fourth Proportional to 5,959.70, 8,930.42 and 3,186.76

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Solution

The fourth proportional to 5,959.70, 8,930.42 and 3,186.76 is: 4,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.70 : 8,930.42 = 3,186.76 : x
  2. Step 2: Convert to fraction form
    5,959.70/8,930.42 = 3,186.76/x
  3. Step 3: Cross multiply
    5,959.70x = 8,930.42 × 3,186.76
  4. Step 4: Simplify right side
    5,959.70x = 28,459,105.24
  5. Step 5: Solve for x
    x = 28,459,105.24/5,959.70
  6. Step 6: Final answer
    x = 4,775.26

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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.