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Finding the Fourth Proportional to 8,009.46, 11,996.64 and 6,606.99

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Solution

The fourth proportional to 8,009.46, 11,996.64 and 6,606.99 is: 9,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.46 : 11,996.64 = 6,606.99 : x
  2. Step 2: Convert to fraction form
    8,009.46/11,996.64 = 6,606.99/x
  3. Step 3: Cross multiply
    8,009.46x = 11,996.64 × 6,606.99
  4. Step 4: Simplify right side
    8,009.46x = 79,261,680.51
  5. Step 5: Solve for x
    x = 79,261,680.51/8,009.46
  6. Step 6: Final answer
    x = 9,896.01

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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.