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Finding the Fourth Proportional to 27,299.35, 40,919.86 and 19,484.47

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Solution

The fourth proportional to 27,299.35, 40,919.86 and 19,484.47 is: 29,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.35 : 40,919.86 = 19,484.47 : x
  2. Step 2: Convert to fraction form
    27,299.35/40,919.86 = 19,484.47/x
  3. Step 3: Cross multiply
    27,299.35x = 40,919.86 × 19,484.47
  4. Step 4: Simplify right side
    27,299.35x = 797,301,633.56
  5. Step 5: Solve for x
    x = 797,301,633.56/27,299.35
  6. Step 6: Final answer
    x = 29,205.89

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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.