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Finding the Fourth Proportional to 64,651.95, 89,261.37 and 41,692.04

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Solution

The fourth proportional to 64,651.95, 89,261.37 and 41,692.04 is: 57,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.95 : 89,261.37 = 41,692.04 : x
  2. Step 2: Convert to fraction form
    64,651.95/89,261.37 = 41,692.04/x
  3. Step 3: Cross multiply
    64,651.95x = 89,261.37 × 41,692.04
  4. Step 4: Simplify right side
    64,651.95x = 3,721,488,608.49
  5. Step 5: Solve for x
    x = 3,721,488,608.49/64,651.95
  6. Step 6: Final answer
    x = 57,561.89

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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.