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Finding the Fourth Proportional to 57,692.66, 86,619.48 and 29,632.08

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Solution

The fourth proportional to 57,692.66, 86,619.48 and 29,632.08 is: 44,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.66 : 86,619.48 = 29,632.08 : x
  2. Step 2: Convert to fraction form
    57,692.66/86,619.48 = 29,632.08/x
  3. Step 3: Cross multiply
    57,692.66x = 86,619.48 × 29,632.08
  4. Step 4: Simplify right side
    57,692.66x = 2,566,715,360.92
  5. Step 5: Solve for x
    x = 2,566,715,360.92/57,692.66
  6. Step 6: Final answer
    x = 44,489.46

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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.