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Finding the Fourth Proportional to 10,662.14, 15,995.68 and 3,267.68

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Solution

The fourth proportional to 10,662.14, 15,995.68 and 3,267.68 is: 4,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.14 : 15,995.68 = 3,267.68 : x
  2. Step 2: Convert to fraction form
    10,662.14/15,995.68 = 3,267.68/x
  3. Step 3: Cross multiply
    10,662.14x = 15,995.68 × 3,267.68
  4. Step 4: Simplify right side
    10,662.14x = 52,268,763.62
  5. Step 5: Solve for x
    x = 52,268,763.62/10,662.14
  6. Step 6: Final answer
    x = 4,902.28

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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.