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Finding the Fourth Proportional to 21,695.82, 32,546.16 and 6,899.56

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Solution

The fourth proportional to 21,695.82, 32,546.16 and 6,899.56 is: 10,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.82 : 32,546.16 = 6,899.56 : x
  2. Step 2: Convert to fraction form
    21,695.82/32,546.16 = 6,899.56/x
  3. Step 3: Cross multiply
    21,695.82x = 32,546.16 × 6,899.56
  4. Step 4: Simplify right side
    21,695.82x = 224,554,183.69
  5. Step 5: Solve for x
    x = 224,554,183.69/21,695.82
  6. Step 6: Final answer
    x = 10,350.11

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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.