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Finding the Fourth Proportional to 57,692.40, 86,608.80 and 36,632.40

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Solution

The fourth proportional to 57,692.40, 86,608.80 and 36,632.40 is: 54,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.40 : 86,608.80 = 36,632.40 : x
  2. Step 2: Convert to fraction form
    57,692.40/86,608.80 = 36,632.40/x
  3. Step 3: Cross multiply
    57,692.40x = 86,608.80 × 36,632.40
  4. Step 4: Simplify right side
    57,692.40x = 3,172,688,205.12
  5. Step 5: Solve for x
    x = 3,172,688,205.12/57,692.40
  6. Step 6: Final answer
    x = 54,993.17

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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.