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Finding the Fourth Proportional to 6,808.32, 9,399.06 and 4,581.90

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Solution

The fourth proportional to 6,808.32, 9,399.06 and 4,581.90 is: 6,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.32 : 9,399.06 = 4,581.90 : x
  2. Step 2: Convert to fraction form
    6,808.32/9,399.06 = 4,581.90/x
  3. Step 3: Cross multiply
    6,808.32x = 9,399.06 × 4,581.90
  4. Step 4: Simplify right side
    6,808.32x = 43,065,553.01
  5. Step 5: Solve for x
    x = 43,065,553.01/6,808.32
  6. Step 6: Final answer
    x = 6,325.43

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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.