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Finding the Fourth Proportional to 6,672.70, 10,015.17 and 3,388.06

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Solution

The fourth proportional to 6,672.70, 10,015.17 and 3,388.06 is: 5,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.70 : 10,015.17 = 3,388.06 : x
  2. Step 2: Convert to fraction form
    6,672.70/10,015.17 = 3,388.06/x
  3. Step 3: Cross multiply
    6,672.70x = 10,015.17 × 3,388.06
  4. Step 4: Simplify right side
    6,672.70x = 33,931,996.87
  5. Step 5: Solve for x
    x = 33,931,996.87/6,672.70
  6. Step 6: Final answer
    x = 5,085.20

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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.