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Finding the Fourth Proportional to 6,636.33, 9,958.14 and 5,591.43

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Solution

The fourth proportional to 6,636.33, 9,958.14 and 5,591.43 is: 8,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.33 : 9,958.14 = 5,591.43 : x
  2. Step 2: Convert to fraction form
    6,636.33/9,958.14 = 5,591.43/x
  3. Step 3: Cross multiply
    6,636.33x = 9,958.14 × 5,591.43
  4. Step 4: Simplify right side
    6,636.33x = 55,680,242.74
  5. Step 5: Solve for x
    x = 55,680,242.74/6,636.33
  6. Step 6: Final answer
    x = 8,390.22

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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.