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Finding the Fourth Proportional to 21,700.73, 32,553.50 and 6,906.22

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Solution

The fourth proportional to 21,700.73, 32,553.50 and 6,906.22 is: 10,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.73 : 32,553.50 = 6,906.22 : x
  2. Step 2: Convert to fraction form
    21,700.73/32,553.50 = 6,906.22/x
  3. Step 3: Cross multiply
    21,700.73x = 32,553.50 × 6,906.22
  4. Step 4: Simplify right side
    21,700.73x = 224,821,632.77
  5. Step 5: Solve for x
    x = 224,821,632.77/21,700.73
  6. Step 6: Final answer
    x = 10,360.10

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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.