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Finding the Fourth Proportional to 57,692.57, 79,605.23 and 43,866.81

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Solution

The fourth proportional to 57,692.57, 79,605.23 and 43,866.81 is: 60,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.57 : 79,605.23 = 43,866.81 : x
  2. Step 2: Convert to fraction form
    57,692.57/79,605.23 = 43,866.81/x
  3. Step 3: Cross multiply
    57,692.57x = 79,605.23 × 43,866.81
  4. Step 4: Simplify right side
    57,692.57x = 3,492,027,280.08
  5. Step 5: Solve for x
    x = 3,492,027,280.08/57,692.57
  6. Step 6: Final answer
    x = 60,528.20

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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.