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Finding the Fourth Proportional to 52,692.82, 72,718.11 and 30,035.38

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Solution

The fourth proportional to 52,692.82, 72,718.11 and 30,035.38 is: 41,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,692.82 : 72,718.11 = 30,035.38 : x
  2. Step 2: Convert to fraction form
    52,692.82/72,718.11 = 30,035.38/x
  3. Step 3: Cross multiply
    52,692.82x = 72,718.11 × 30,035.38
  4. Step 4: Simplify right side
    52,692.82x = 2,184,116,066.73
  5. Step 5: Solve for x
    x = 2,184,116,066.73/52,692.82
  6. Step 6: Final answer
    x = 41,449.97

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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.