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Finding the Fourth Proportional to 58,006.86, 80,019.96 and 36,185.10

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Solution

The fourth proportional to 58,006.86, 80,019.96 and 36,185.10 is: 49,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,006.86 : 80,019.96 = 36,185.10 : x
  2. Step 2: Convert to fraction form
    58,006.86/80,019.96 = 36,185.10/x
  3. Step 3: Cross multiply
    58,006.86x = 80,019.96 × 36,185.10
  4. Step 4: Simplify right side
    58,006.86x = 2,895,530,254.60
  5. Step 5: Solve for x
    x = 2,895,530,254.60/58,006.86
  6. Step 6: Final answer
    x = 49,917.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.