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Finding the Fourth Proportional to 6,572.66, 9,860.38 and 2,190.46

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Solution

The fourth proportional to 6,572.66, 9,860.38 and 2,190.46 is: 3,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.66 : 9,860.38 = 2,190.46 : x
  2. Step 2: Convert to fraction form
    6,572.66/9,860.38 = 2,190.46/x
  3. Step 3: Cross multiply
    6,572.66x = 9,860.38 × 2,190.46
  4. Step 4: Simplify right side
    6,572.66x = 21,598,767.97
  5. Step 5: Solve for x
    x = 21,598,767.97/6,572.66
  6. Step 6: Final answer
    x = 3,286.15

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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.