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Finding the Fourth Proportional to 21,797.82, 32,693.07 and 6,211.74

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Solution

The fourth proportional to 21,797.82, 32,693.07 and 6,211.74 is: 9,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.82 : 32,693.07 = 6,211.74 : x
  2. Step 2: Convert to fraction form
    21,797.82/32,693.07 = 6,211.74/x
  3. Step 3: Cross multiply
    21,797.82x = 32,693.07 × 6,211.74
  4. Step 4: Simplify right side
    21,797.82x = 203,080,850.64
  5. Step 5: Solve for x
    x = 203,080,850.64/21,797.82
  6. Step 6: Final answer
    x = 9,316.57

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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.