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Finding the Fourth Proportional to 10,993.06, 16,473.93 and 8,018.20

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Solution

The fourth proportional to 10,993.06, 16,473.93 and 8,018.20 is: 12,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.06 : 16,473.93 = 8,018.20 : x
  2. Step 2: Convert to fraction form
    10,993.06/16,473.93 = 8,018.20/x
  3. Step 3: Cross multiply
    10,993.06x = 16,473.93 × 8,018.20
  4. Step 4: Simplify right side
    10,993.06x = 132,091,265.53
  5. Step 5: Solve for x
    x = 132,091,265.53/10,993.06
  6. Step 6: Final answer
    x = 12,015.88

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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.