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Finding the Fourth Proportional to 62,692.85, 86,516.12 and 35,835.93

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Solution

The fourth proportional to 62,692.85, 86,516.12 and 35,835.93 is: 49,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,692.85 : 86,516.12 = 35,835.93 : x
  2. Step 2: Convert to fraction form
    62,692.85/86,516.12 = 35,835.93/x
  3. Step 3: Cross multiply
    62,692.85x = 86,516.12 × 35,835.93
  4. Step 4: Simplify right side
    62,692.85x = 3,100,385,530.60
  5. Step 5: Solve for x
    x = 3,100,385,530.60/62,692.85
  6. Step 6: Final answer
    x = 49,453.58

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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.