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Finding the Fourth Proportional to 21,994.84, 32,982.99 and 7,195.60

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Solution

The fourth proportional to 21,994.84, 32,982.99 and 7,195.60 is: 10,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.84 : 32,982.99 = 7,195.60 : x
  2. Step 2: Convert to fraction form
    21,994.84/32,982.99 = 7,195.60/x
  3. Step 3: Cross multiply
    21,994.84x = 32,982.99 × 7,195.60
  4. Step 4: Simplify right side
    21,994.84x = 237,332,402.84
  5. Step 5: Solve for x
    x = 237,332,402.84/21,994.84
  6. Step 6: Final answer
    x = 10,790.37

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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.