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Finding the Fourth Proportional to 65,812.94, 98,692.24 and 25,280.34

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Solution

The fourth proportional to 65,812.94, 98,692.24 and 25,280.34 is: 37,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.94 : 98,692.24 = 25,280.34 : x
  2. Step 2: Convert to fraction form
    65,812.94/98,692.24 = 25,280.34/x
  3. Step 3: Cross multiply
    65,812.94x = 98,692.24 × 25,280.34
  4. Step 4: Simplify right side
    65,812.94x = 2,494,973,382.56
  5. Step 5: Solve for x
    x = 2,494,973,382.56/65,812.94
  6. Step 6: Final answer
    x = 37,910.07

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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.