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Finding the Fourth Proportional to 6,365.01, 9,540.09 and 3,438.21

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Solution

The fourth proportional to 6,365.01, 9,540.09 and 3,438.21 is: 5,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.01 : 9,540.09 = 3,438.21 : x
  2. Step 2: Convert to fraction form
    6,365.01/9,540.09 = 3,438.21/x
  3. Step 3: Cross multiply
    6,365.01x = 9,540.09 × 3,438.21
  4. Step 4: Simplify right side
    6,365.01x = 32,800,832.84
  5. Step 5: Solve for x
    x = 32,800,832.84/6,365.01
  6. Step 6: Final answer
    x = 5,153.30

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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.