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Finding the Fourth Proportional to 58,381, 80,565.87 and 33,230.50

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Solution

The fourth proportional to 58,381, 80,565.87 and 33,230.50 is: 45,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,381 : 80,565.87 = 33,230.50 : x
  2. Step 2: Convert to fraction form
    58,381/80,565.87 = 33,230.50/x
  3. Step 3: Cross multiply
    58,381x = 80,565.87 × 33,230.50
  4. Step 4: Simplify right side
    58,381x = 2,677,244,143.04
  5. Step 5: Solve for x
    x = 2,677,244,143.04/58,381
  6. Step 6: Final answer
    x = 45,858.14

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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.