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Finding the Fourth Proportional to 9,451.84, 14,174.08 and 3,906.08

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Solution

The fourth proportional to 9,451.84, 14,174.08 and 3,906.08 is: 5,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.84 : 14,174.08 = 3,906.08 : x
  2. Step 2: Convert to fraction form
    9,451.84/14,174.08 = 3,906.08/x
  3. Step 3: Cross multiply
    9,451.84x = 14,174.08 × 3,906.08
  4. Step 4: Simplify right side
    9,451.84x = 55,365,090.41
  5. Step 5: Solve for x
    x = 55,365,090.41/9,451.84
  6. Step 6: Final answer
    x = 5,857.60

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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.