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Finding the Fourth Proportional to 21,994.68, 32,997.06 and 7,204.44

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Solution

The fourth proportional to 21,994.68, 32,997.06 and 7,204.44 is: 10,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.68 : 32,997.06 = 7,204.44 : x
  2. Step 2: Convert to fraction form
    21,994.68/32,997.06 = 7,204.44/x
  3. Step 3: Cross multiply
    21,994.68x = 32,997.06 × 7,204.44
  4. Step 4: Simplify right side
    21,994.68x = 237,725,338.95
  5. Step 5: Solve for x
    x = 237,725,338.95/21,994.68
  6. Step 6: Final answer
    x = 10,808.31

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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.