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Finding the Fourth Proportional to 53,227.77, 79,828.04 and 15,779.09

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Solution

The fourth proportional to 53,227.77, 79,828.04 and 15,779.09 is: 23,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227.77 : 79,828.04 = 15,779.09 : x
  2. Step 2: Convert to fraction form
    53,227.77/79,828.04 = 15,779.09/x
  3. Step 3: Cross multiply
    53,227.77x = 79,828.04 × 15,779.09
  4. Step 4: Simplify right side
    53,227.77x = 1,259,613,349.65
  5. Step 5: Solve for x
    x = 1,259,613,349.65/53,227.77
  6. Step 6: Final answer
    x = 23,664.59

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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.