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Finding the Fourth Proportional to 10,012.71, 15,015.66 and 3,347.73

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Solution

The fourth proportional to 10,012.71, 15,015.66 and 3,347.73 is: 5,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.71 : 15,015.66 = 3,347.73 : x
  2. Step 2: Convert to fraction form
    10,012.71/15,015.66 = 3,347.73/x
  3. Step 3: Cross multiply
    10,012.71x = 15,015.66 × 3,347.73
  4. Step 4: Simplify right side
    10,012.71x = 50,268,375.45
  5. Step 5: Solve for x
    x = 50,268,375.45/10,012.71
  6. Step 6: Final answer
    x = 5,020.46

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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.