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Finding the Fourth Proportional to 48,291.30, 72,350.55 and 41,379.30

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Solution

The fourth proportional to 48,291.30, 72,350.55 and 41,379.30 is: 61,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.30 : 72,350.55 = 41,379.30 : x
  2. Step 2: Convert to fraction form
    48,291.30/72,350.55 = 41,379.30/x
  3. Step 3: Cross multiply
    48,291.30x = 72,350.55 × 41,379.30
  4. Step 4: Simplify right side
    48,291.30x = 2,993,815,113.62
  5. Step 5: Solve for x
    x = 2,993,815,113.62/48,291.30
  6. Step 6: Final answer
    x = 61,994.92

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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.