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Finding the Fourth Proportional to 5,966.80, 8,235.20 and 3,450.37

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Solution

The fourth proportional to 5,966.80, 8,235.20 and 3,450.37 is: 4,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.80 : 8,235.20 = 3,450.37 : x
  2. Step 2: Convert to fraction form
    5,966.80/8,235.20 = 3,450.37/x
  3. Step 3: Cross multiply
    5,966.80x = 8,235.20 × 3,450.37
  4. Step 4: Simplify right side
    5,966.80x = 28,414,487.02
  5. Step 5: Solve for x
    x = 28,414,487.02/5,966.80
  6. Step 6: Final answer
    x = 4,762.10

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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.