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Finding the Fourth Proportional to 57,692.52, 86,613.48 and 55,323.24

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Solution

The fourth proportional to 57,692.52, 86,613.48 and 55,323.24 is: 83,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.52 : 86,613.48 = 55,323.24 : x
  2. Step 2: Convert to fraction form
    57,692.52/86,613.48 = 55,323.24/x
  3. Step 3: Cross multiply
    57,692.52x = 86,613.48 × 55,323.24
  4. Step 4: Simplify right side
    57,692.52x = 4,791,738,341.28
  5. Step 5: Solve for x
    x = 4,791,738,341.28/57,692.52
  6. Step 6: Final answer
    x = 83,056.49

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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.