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Finding the Fourth Proportional to 11,483.66, 17,210.81 and 9,996.80

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Solution

The fourth proportional to 11,483.66, 17,210.81 and 9,996.80 is: 14,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.66 : 17,210.81 = 9,996.80 : x
  2. Step 2: Convert to fraction form
    11,483.66/17,210.81 = 9,996.80/x
  3. Step 3: Cross multiply
    11,483.66x = 17,210.81 × 9,996.80
  4. Step 4: Simplify right side
    11,483.66x = 172,052,889.37
  5. Step 5: Solve for x
    x = 172,052,889.37/11,483.66
  6. Step 6: Final answer
    x = 14,982.42

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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.