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Finding the Fourth Proportional to 10,908.54, 16,370.17 and 7,015.68

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Solution

The fourth proportional to 10,908.54, 16,370.17 and 7,015.68 is: 10,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.54 : 16,370.17 = 7,015.68 : x
  2. Step 2: Convert to fraction form
    10,908.54/16,370.17 = 7,015.68/x
  3. Step 3: Cross multiply
    10,908.54x = 16,370.17 × 7,015.68
  4. Step 4: Simplify right side
    10,908.54x = 114,847,856.73
  5. Step 5: Solve for x
    x = 114,847,856.73/10,908.54
  6. Step 6: Final answer
    x = 10,528.25

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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.