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Finding the Fourth Proportional to 6,353.37, 8,771.94 and 3,966.98

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Solution

The fourth proportional to 6,353.37, 8,771.94 and 3,966.98 is: 5,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.37 : 8,771.94 = 3,966.98 : x
  2. Step 2: Convert to fraction form
    6,353.37/8,771.94 = 3,966.98/x
  3. Step 3: Cross multiply
    6,353.37x = 8,771.94 × 3,966.98
  4. Step 4: Simplify right side
    6,353.37x = 34,798,066.68
  5. Step 5: Solve for x
    x = 34,798,066.68/6,353.37
  6. Step 6: Final answer
    x = 5,477.10

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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.