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Finding the Fourth Proportional to 5,966.72, 8,940.88 and 3,193.76

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Solution

The fourth proportional to 5,966.72, 8,940.88 and 3,193.76 is: 4,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.72 : 8,940.88 = 3,193.76 : x
  2. Step 2: Convert to fraction form
    5,966.72/8,940.88 = 3,193.76/x
  3. Step 3: Cross multiply
    5,966.72x = 8,940.88 × 3,193.76
  4. Step 4: Simplify right side
    5,966.72x = 28,555,024.91
  5. Step 5: Solve for x
    x = 28,555,024.91/5,966.72
  6. Step 6: Final answer
    x = 4,785.72

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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.