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Finding the Fourth Proportional to 58,470.54, 80,692.11 and 33,319.50

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Solution

The fourth proportional to 58,470.54, 80,692.11 and 33,319.50 is: 45,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,470.54 : 80,692.11 = 33,319.50 : x
  2. Step 2: Convert to fraction form
    58,470.54/80,692.11 = 33,319.50/x
  3. Step 3: Cross multiply
    58,470.54x = 80,692.11 × 33,319.50
  4. Step 4: Simplify right side
    58,470.54x = 2,688,620,759.15
  5. Step 5: Solve for x
    x = 2,688,620,759.15/58,470.54
  6. Step 6: Final answer
    x = 45,982.49

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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.