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Finding the Fourth Proportional to 52,879.53, 79,268.73 and 19,590.66

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Solution

The fourth proportional to 52,879.53, 79,268.73 and 19,590.66 is: 29,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.53 : 79,268.73 = 19,590.66 : x
  2. Step 2: Convert to fraction form
    52,879.53/79,268.73 = 19,590.66/x
  3. Step 3: Cross multiply
    52,879.53x = 79,268.73 × 19,590.66
  4. Step 4: Simplify right side
    52,879.53x = 1,552,926,664.60
  5. Step 5: Solve for x
    x = 1,552,926,664.60/52,879.53
  6. Step 6: Final answer
    x = 29,367.25

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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.