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Finding the Fourth Proportional to 18,551.16, 27,819.72 and 6,701.81

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Solution

The fourth proportional to 18,551.16, 27,819.72 and 6,701.81 is: 10,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.16 : 27,819.72 = 6,701.81 : x
  2. Step 2: Convert to fraction form
    18,551.16/27,819.72 = 6,701.81/x
  3. Step 3: Cross multiply
    18,551.16x = 27,819.72 × 6,701.81
  4. Step 4: Simplify right side
    18,551.16x = 186,442,338.59
  5. Step 5: Solve for x
    x = 186,442,338.59/18,551.16
  6. Step 6: Final answer
    x = 10,050.17

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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.