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Finding the Fourth Proportional to 18,608.00, 27,911.39 and 4,568.06

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Solution

The fourth proportional to 18,608.00, 27,911.39 and 4,568.06 is: 6,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.00 : 27,911.39 = 4,568.06 : x
  2. Step 2: Convert to fraction form
    18,608.00/27,911.39 = 4,568.06/x
  3. Step 3: Cross multiply
    18,608.00x = 27,911.39 × 4,568.06
  4. Step 4: Simplify right side
    18,608.00x = 127,500,741.81
  5. Step 5: Solve for x
    x = 127,500,741.81/18,608.00
  6. Step 6: Final answer
    x = 6,851.93

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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.