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Finding the Fourth Proportional to 11,954.05, 17,908.56 and 7,009.00

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Solution

The fourth proportional to 11,954.05, 17,908.56 and 7,009.00 is: 10,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.05 : 17,908.56 = 7,009.00 : x
  2. Step 2: Convert to fraction form
    11,954.05/17,908.56 = 7,009.00/x
  3. Step 3: Cross multiply
    11,954.05x = 17,908.56 × 7,009.00
  4. Step 4: Simplify right side
    11,954.05x = 125,521,052.27
  5. Step 5: Solve for x
    x = 125,521,052.27/11,954.05
  6. Step 6: Final answer
    x = 10,500.30

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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.