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Finding the Fourth Proportional to 52,431.93, 78,582.21 and 41,294.63

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Solution

The fourth proportional to 52,431.93, 78,582.21 and 41,294.63 is: 61,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.93 : 78,582.21 = 41,294.63 : x
  2. Step 2: Convert to fraction form
    52,431.93/78,582.21 = 41,294.63/x
  3. Step 3: Cross multiply
    52,431.93x = 78,582.21 × 41,294.63
  4. Step 4: Simplify right side
    52,431.93x = 3,245,022,893.62
  5. Step 5: Solve for x
    x = 3,245,022,893.62/52,431.93
  6. Step 6: Final answer
    x = 61,890.20

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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.