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Finding the Fourth Proportional to 21,996.84, 32,992.62 and 6,203.06

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Solution

The fourth proportional to 21,996.84, 32,992.62 and 6,203.06 is: 9,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.84 : 32,992.62 = 6,203.06 : x
  2. Step 2: Convert to fraction form
    21,996.84/32,992.62 = 6,203.06/x
  3. Step 3: Cross multiply
    21,996.84x = 32,992.62 × 6,203.06
  4. Step 4: Simplify right side
    21,996.84x = 204,655,201.42
  5. Step 5: Solve for x
    x = 204,655,201.42/21,996.84
  6. Step 6: Final answer
    x = 9,303.85

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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.