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Finding the Fourth Proportional to 27,903.57, 41,819.73 and 13,079.84

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Solution

The fourth proportional to 27,903.57, 41,819.73 and 13,079.84 is: 19,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.57 : 41,819.73 = 13,079.84 : x
  2. Step 2: Convert to fraction form
    27,903.57/41,819.73 = 13,079.84/x
  3. Step 3: Cross multiply
    27,903.57x = 41,819.73 × 13,079.84
  4. Step 4: Simplify right side
    27,903.57x = 546,995,168.14
  5. Step 5: Solve for x
    x = 546,995,168.14/27,903.57
  6. Step 6: Final answer
    x = 19,603.05

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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.