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Finding the Fourth Proportional to 21,795.88, 32,694.12 and 6,213.50

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Solution

The fourth proportional to 21,795.88, 32,694.12 and 6,213.50 is: 9,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.88 : 32,694.12 = 6,213.50 : x
  2. Step 2: Convert to fraction form
    21,795.88/32,694.12 = 6,213.50/x
  3. Step 3: Cross multiply
    21,795.88x = 32,694.12 × 6,213.50
  4. Step 4: Simplify right side
    21,795.88x = 203,144,891.32
  5. Step 5: Solve for x
    x = 203,144,891.32/21,795.88
  6. Step 6: Final answer
    x = 9,320.34

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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.