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Finding the Fourth Proportional to 52,395.86, 78,619.31 and 26,104.47

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Solution

The fourth proportional to 52,395.86, 78,619.31 and 26,104.47 is: 39,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,395.86 : 78,619.31 = 26,104.47 : x
  2. Step 2: Convert to fraction form
    52,395.86/78,619.31 = 26,104.47/x
  3. Step 3: Cross multiply
    52,395.86x = 78,619.31 × 26,104.47
  4. Step 4: Simplify right side
    52,395.86x = 2,052,315,288.79
  5. Step 5: Solve for x
    x = 2,052,315,288.79/52,395.86
  6. Step 6: Final answer
    x = 39,169.42

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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.