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Finding the Fourth Proportional to 52,550.63, 78,853.63 and 30,379.58

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Solution

The fourth proportional to 52,550.63, 78,853.63 and 30,379.58 is: 45,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.63 : 78,853.63 = 30,379.58 : x
  2. Step 2: Convert to fraction form
    52,550.63/78,853.63 = 30,379.58/x
  3. Step 3: Cross multiply
    52,550.63x = 78,853.63 × 30,379.58
  4. Step 4: Simplify right side
    52,550.63x = 2,395,540,043.32
  5. Step 5: Solve for x
    x = 2,395,540,043.32/52,550.63
  6. Step 6: Final answer
    x = 45,585.37

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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.